11121612 has 24 divisors (see below), whose sum is σ = 27316800. Its totient is φ = 3512016.

The previous prime is 11121611. The next prime is 11121613. The reversal of 11121612 is 21612111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11121611) and next prime (11121613).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11121591 and 11121600.

It is not an unprimeable number, because it can be changed into a prime (11121611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24162 + ... + 24617.

It is an arithmetic number, because the mean of its divisors is an integer number (1138200).

Almost surely, 2^11121612 is an apocalyptic number.

11121612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121612 is an abundant number, since it is smaller than the sum of its proper divisors (16195188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121612 is a wasteful number, since it uses less digits than its factorization.

11121612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48805 (or 48803 counting only the distinct ones).

The product of its digits is 24, while the sum is 15.

The square root of 11121612 is about 3334.9080946857. The cubic root of 11121612 is about 223.2145909707.

Adding to 11121612 its reverse (21612111), we get a palindrome (32733723).

It can be divided in two parts, 111 and 21612, that multiplied together give a palindrome (2398932).

The spelling of 11121612 in words is "eleven million, one hundred twenty-one thousand, six hundred twelve".