12869961156356 has 12 divisors (see below), whose sum is σ = 22568302560720. Its totient is φ = 6421874710440.

The previous prime is 12869961156343. The next prime is 12869961156359. The reversal of 12869961156356 is 65365116996821.

It is a super-2 number, since 2×12869961156356² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12869961156359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3276464726 + ... + 3276468653.

It is an arithmetic number, because the mean of its divisors is an integer number (1880691880060).

Almost surely, 2^{12869961156356} is an apocalyptic number.

It is an amenable number.

12869961156356 is a deficient number, since it is larger than the sum of its proper divisors (9698341404364).

12869961156356 is a wasteful number, since it uses less digits than its factorization.

12869961156356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552933874 (or 6552933872 counting only the distinct ones).

The product of its digits is 125971200, while the sum is 68.

The spelling of 12869961156356 in words is "twelve trillion, eight hundred sixty-nine billion, nine hundred sixty-one million, one hundred fifty-six thousand, three hundred fifty-six".