12633602561226 has 24 divisors (see below), whose sum is σ = 27372973590144. Its totient is φ = 4211175001320.

The previous prime is 12633602561141. The next prime is 12633602561269. The reversal of 12633602561226 is 62216520633621.

12633602561226 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 3 + 6 + 0 + 2 + 5 + 612 + 26 = 666.

It is a super-2 number, since 2×12633602561226² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 982621 + ... + 5121791.

It is an arithmetic number, because the mean of its divisors is an integer number (1140540566256).

Almost surely, 2^{12633602561226} is an apocalyptic number.

12633602561226 is an abundant number, since it is smaller than the sum of its proper divisors (14739371028918).

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

12633602561226 is a wasteful number, since it uses less digits than its factorization.

12633602561226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308746 (or 4308743 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 12633602561226 in words is "twelve trillion, six hundred thirty-three billion, six hundred two million, five hundred sixty-one thousand, two hundred twenty-six".