12455505631202 has 12 divisors (see below), whose sum is σ = 19718342018406. Its totient is φ = 5899976351280.

The previous prime is 12455505631181. The next prime is 12455505631243. The reversal of 12455505631202 is 20213650555421.

It can be written as a sum of positive squares in only one way, i.e., 10673491554961 + 1782014076241 = 3267031^2 + 1334921^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12455505631202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8625695699 + ... + 8625697142.

Almost surely, 2^{12455505631202} is an apocalyptic number.

12455505631202 is a deficient number, since it is larger than the sum of its proper divisors (7262836387204).

12455505631202 is a wasteful number, since it uses less digits than its factorization.

12455505631202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17251392881 (or 17251392862 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 12455505631202 in words is "twelve trillion, four hundred fifty-five billion, five hundred five million, six hundred thirty-one thousand, two hundred two".