131412321200421 has 32 divisors (see below), whose sum is σ = 203279791104000. Its totient is φ = 83745408860784.

The previous prime is 131412321200411. The next prime is 131412321200449. The reversal of 131412321200421 is 124002123214131.

131412321200421 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 1 + 2 + 32 + 1 + 200 + 421 = 666.

It is not a de Polignac number, because 131412321200421 - 2⁶ = 131412321200357 is a prime.

It is a super-2 number, since 2×131412321200421² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131412321200411) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 66900381 + ... + 68836658.

It is an arithmetic number, because the mean of its divisors is an integer number (6352493472000).

Almost surely, 2^{131412321200421} is an apocalyptic number.

It is an amenable number.

131412321200421 is a deficient number, since it is larger than the sum of its proper divisors (71867469903579).

131412321200421 is a wasteful number, since it uses less digits than its factorization.

131412321200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135738630 (or 135738624 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 131412321200421 its reverse (124002123214131), we get a palindrome (255414444414552).

The spelling of 131412321200421 in words is "one hundred thirty-one trillion, four hundred twelve billion, three hundred twenty-one million, two hundred thousand, four hundred twenty-one".