12936787977226 has 8 divisors (see below), whose sum is σ = 19425673185120. Its totient is φ = 6461563582188.

The previous prime is 12936787977221. The next prime is 12936787977227. The reversal of 12936787977226 is 62277978763921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12936787977221) 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, 3415200846 + ... + 3415204633.

It is an arithmetic number, because the mean of its divisors is an integer number (2428209148140).

Almost surely, 2^{12936787977226} is an apocalyptic number.

12936787977226 is a deficient number, since it is larger than the sum of its proper divisors (6488885207894).

12936787977226 is an equidigital number, since it uses as much as digits as its factorization.

12936787977226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6830406428.

The product of its digits is 1344252672, while the sum is 76.

The spelling of 12936787977226 in words is "twelve trillion, nine hundred thirty-six billion, seven hundred eighty-seven million, nine hundred seventy-seven thousand, two hundred twenty-six".