12120612 has 48 divisors (see below), whose sum is σ = 32495232. Its totient is φ = 3444480.

The previous prime is 12120611. The next prime is 12120629. The reversal of 12120612 is 21602121.

It is a junction number, because it is equal to n+sod(n) for n = 12120591 and 12120600.

It is not an unprimeable number, because it can be changed into a prime (12120611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26062 + ... + 26522.

It is an arithmetic number, because the mean of its divisors is an integer number (676984).

Almost surely, 2^12120612 is an apocalyptic number.

12120612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12120612 is an abundant number, since it is smaller than the sum of its proper divisors (20374620).

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

12120612 is a wasteful number, since it uses less digits than its factorization.

12120612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 12120612 is about 3481.4669321997. The cubic root of 12120612 is about 229.7073277992.

Adding to 12120612 its reverse (21602121), we get a palindrome (33722733).

The spelling of 12120612 in words is "twelve million, one hundred twenty thousand, six hundred twelve".