12897100791036 has 1536 divisors, whose sum is σ = 46962361958400. Its totient is φ = 2995763097600.

The previous prime is 12897100791017. The next prime is 12897100791137. The reversal of 12897100791036 is 63019700179821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 23577880515 + ... + 23577881061.

It is an arithmetic number, because the mean of its divisors is an integer number (30574454400).

Almost surely, 2^{12897100791036} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12897100791036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23481180979200).

12897100791036 is an abundant number, since it is smaller than the sum of its proper divisors (34065261167364).

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

12897100791036 is a wasteful number, since it uses less digits than its factorization.

12897100791036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 12897100791036 in words is "twelve trillion, eight hundred ninety-seven billion, one hundred million, seven hundred ninety-one thousand, thirty-six".