1111112312 has 32 divisors (see below), whose sum is σ = 2127740400. Its totient is φ = 543840000.

The previous prime is 1111112311. The next prime is 1111112357. The reversal of 1111112312 is 2132111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64187 + ... + 79637.

Almost surely, 2^1111112312 is an apocalyptic number.

It is an amenable number.

1111112312 is a deficient number, since it is larger than the sum of its proper divisors (1016628088).

1111112312 is a wasteful number, since it uses less digits than its factorization.

1111112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15647 (or 15643 counting only the distinct ones).

The product of its digits is 12, while the sum is 14.

The square root of 1111112312 is about 33333.3513466618. The cubic root of 1111112312 is about 1035.7445417953.

Adding to 1111112312 its reverse (2132111111), we get a palindrome (3243223423).

The spelling of 1111112312 in words is "one billion, one hundred eleven million, one hundred twelve thousand, three hundred twelve".