13112012232312 has 64 divisors (see below), whose sum is σ = 37463991782400. Its totient is φ = 3746179240320.

The previous prime is 13112012232283. The next prime is 13112012232313. The reversal of 13112012232312 is 21323221021131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112012232313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4682737 + ... + 6939167.

It is an arithmetic number, because the mean of its divisors is an integer number (585374871600).

Almost surely, 2^{13112012232312} is an apocalyptic number.

13112012232312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13112012232312 is an abundant number, since it is smaller than the sum of its proper divisors (24351979550088).

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

13112012232312 is a wasteful number, since it uses less digits than its factorization.

13112012232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291036 (or 2291032 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13112012232312 its reverse (21323221021131), we get a palindrome (34435233253443).

The spelling of 13112012232312 in words is "thirteen trillion, one hundred twelve billion, twelve million, two hundred thirty-two thousand, three hundred twelve".