13101123312012 has 96 divisors (see below), whose sum is σ = 33182683430400. Its totient is φ = 4010597527552.

The previous prime is 13101123311999. The next prime is 13101123312019. The reversal of 13101123312012 is 21021332110131.

It is a self number, because there is not a number n which added to its sum of digits gives 13101123312012.

It is not an unprimeable number, because it can be changed into a prime (13101123312019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3139413 + ... + 6004844.

It is an arithmetic number, because the mean of its divisors is an integer number (345652952400).

Almost surely, 2^{13101123312012} is an apocalyptic number.

13101123312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13101123312012 is an abundant number, since it is smaller than the sum of its proper divisors (20081560118388).

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

13101123312012 is a wasteful number, since it uses less digits than its factorization.

13101123312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144495 (or 9144493 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13101123312012 its reverse (21021332110131), we get a palindrome (34122455422143).

The spelling of 13101123312012 in words is "thirteen trillion, one hundred one billion, one hundred twenty-three million, three hundred twelve thousand, twelve".