1113212312 has 16 divisors (see below), whose sum is σ = 2088474360. Its totient is φ = 556285824.

The previous prime is 1113212311. The next prime is 1113212327. The reversal of 1113212312 is 2132123111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113212311) 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, 24938 + ... + 53369.

Almost surely, 2^1113212312 is an apocalyptic number.

It is an amenable number.

1113212312 is a deficient number, since it is larger than the sum of its proper divisors (975262048).

1113212312 is a wasteful number, since it uses less digits than its factorization.

1113212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80090 (or 80086 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 1113212312 is about 33364.8364599619. The cubic root of 1113212312 is about 1036.3966494963.

Adding to 1113212312 its reverse (2132123111), we get a palindrome (3245335423).

The spelling of 1113212312 in words is "one billion, one hundred thirteen million, two hundred twelve thousand, three hundred twelve".