13112351312 has 20 divisors (see below), whose sum is σ = 25784364576. Its totient is φ = 6458321760.

The previous prime is 13112351281. The next prime is 13112351321. The reversal of 13112351312 is 21315321131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6114764 + ... + 6116907.

Almost surely, 2^13112351312 is an apocalyptic number.

It is an amenable number.

13112351312 is a deficient number, since it is larger than the sum of its proper divisors (12672013264).

13112351312 is a wasteful number, since it uses less digits than its factorization.

13112351312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12231746 (or 12231740 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

Adding to 13112351312 its reverse (21315321131), we get a palindrome (34427672443).

The spelling of 13112351312 in words is "thirteen billion, one hundred twelve million, three hundred fifty-one thousand, three hundred twelve".