1112131311312 has 40 divisors (see below), whose sum is σ = 3283435301056. Its totient is φ = 317751803136.

The previous prime is 1112131311307. The next prime is 1112131311323. The reversal of 1112131311312 is 2131131312111.

It is a super-2 number, since 2×1112131311312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654956973 + ... + 1654957644.

Almost surely, 2^{1112131311312} is an apocalyptic number.

1112131311312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112131311312 is an abundant number, since it is smaller than the sum of its proper divisors (2171303989744).

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

1112131311312 is a wasteful number, since it uses less digits than its factorization.

1112131311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309914635 (or 3309914629 counting only the distinct ones).

The product of its digits is 108, while the sum is 21.

Adding to 1112131311312 its reverse (2131131312111), we get a palindrome (3243262623423).

The spelling of 1112131311312 in words is "one trillion, one hundred twelve billion, one hundred thirty-one million, three hundred eleven thousand, three hundred twelve".