12636244157000 has 64 divisors (see below), whose sum is σ = 30290001945840. Its totient is φ = 4931217216000.

The previous prime is 12636244156999. The next prime is 12636244157011. The reversal of 12636244157000 is 75144263621.

It can be written as a sum of positive squares in 8 ways, for example, as 1767235231876 + 10869008925124 = 1329374^2 + 3296818^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154059539 + ... + 154141538.

Almost surely, 2^{12636244157000} is an apocalyptic number.

12636244157000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12636244157000 is an abundant number, since it is smaller than the sum of its proper divisors (17653757788840).

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

12636244157000 is a wasteful number, since it uses less digits than its factorization.

12636244157000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308201139 (or 308201125 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 12636244157000 in words is "twelve trillion, six hundred thirty-six billion, two hundred forty-four million, one hundred fifty-seven thousand".