12677975226 has 128 divisors (see below), whose sum is σ = 33944217600. Its totient is φ = 3426416640.

The previous prime is 12677975213. The next prime is 12677975243. The reversal of 12677975226 is 62257977621.

It is a happy number.

12677975226 is a `hidden beast` number, since 1 + 26 + 7 + 7 + 97 + 522 + 6 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8280081 + ... + 8281611.

It is an arithmetic number, because the mean of its divisors is an integer number (265189200).

Almost surely, 2^12677975226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12677975226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16972108800).

12677975226 is an abundant number, since it is smaller than the sum of its proper divisors (21266242374).

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

12677975226 is a wasteful number, since it uses less digits than its factorization.

12677975226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721 (or 2715 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The spelling of 12677975226 in words is "twelve billion, six hundred seventy-seven million, nine hundred seventy-five thousand, two hundred twenty-six".