12975148818768 has 160 divisors (see below), whose sum is σ = 34908820978176. Its totient is φ = 4149512699904.

The previous prime is 12975148818767. The next prime is 12975148818781. The reversal of 12975148818768 is 86781884157921.

It is a self number, because there is not a number n which added to its sum of digits gives 12975148818768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975148818761) 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, 137814846 + ... + 137908962.

Almost surely, 2^{12975148818768} 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 12975148818768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17454410489088).

12975148818768 is an abundant number, since it is smaller than the sum of its proper divisors (21933672159408).

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

12975148818768 is a wasteful number, since it uses less digits than its factorization.

12975148818768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95381 (or 95375 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 75.

The spelling of 12975148818768 in words is "twelve trillion, nine hundred seventy-five billion, one hundred forty-eight million, eight hundred eighteen thousand, seven hundred sixty-eight".