1213314112 has 28 divisors (see below), whose sum is σ = 2409243340. Its totient is φ = 606260736.

The previous prime is 1213314097. The next prime is 1213314119. The reversal of 1213314112 is 2114133121.

It can be written as a sum of positive squares in 2 ways, for example, as 571401216 + 641912896 = 23904^2 + 25336^2 .

It is a super-2 number, since 2×1213314112² = 2944262268756697088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1213314112.

It is not an unprimeable number, because it can be changed into a prime (1213314119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109198 + ... + 119794.

It is an arithmetic number, because the mean of its divisors is an integer number (86044405).

Almost surely, 2^1213314112 is an apocalyptic number.

It is an amenable number.

1213314112 is a deficient number, since it is larger than the sum of its proper divisors (1195929228).

1213314112 is a wasteful number, since it uses less digits than its factorization.

1213314112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12398 (or 12388 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1213314112 is about 34832.6586984112. The cubic root of 1213314112 is about 1066.5742218494.

Adding to 1213314112 its reverse (2114133121), we get a palindrome (3327447233).

The spelling of 1213314112 in words is "one billion, two hundred thirteen million, three hundred fourteen thousand, one hundred twelve".