20012344131200 has 96 divisors (see below), whose sum is σ = 52344787760460. Its totient is φ = 7534058946560.

The previous prime is 20012344131187. The next prime is 20012344131223. The reversal of 20012344131200 is 213144321002.

It can be written as a sum of positive squares in 6 ways, for example, as 15295420396096 + 4716923735104 = 3910936^2 + 2171848^2 .

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, 183882587 + ... + 183991386.

Almost surely, 2^{20012344131200} is an apocalyptic number.

20012344131200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012344131200 is an abundant number, since it is smaller than the sum of its proper divisors (32332443629260).

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

20012344131200 is a wasteful number, since it uses less digits than its factorization.

20012344131200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367874014 (or 367873997 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20012344131200 its reverse (213144321002), we get a palindrome (20225488452202).

The spelling of 20012344131200 in words is "twenty trillion, twelve billion, three hundred forty-four million, one hundred thirty-one thousand, two hundred".