312134200013421 has 20 divisors (see below), whose sum is σ = 474177504108000. Its totient is φ = 204562526559336.

The previous prime is 312134200013357. The next prime is 312134200013527. The reversal of 312134200013421 is 124310002431213.

312134200013421 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 34 + 200 + 0 + 1 + 3 + 421 = 666.

It is not a de Polignac number, because 312134200013421 - 2⁶ = 312134200013357 is a prime.

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 (312134200013621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32656848121 + ... + 32656857678.

It is an arithmetic number, because the mean of its divisors is an integer number (23708875205400).

Almost surely, 2^{312134200013421} is an apocalyptic number.

It is an amenable number.

312134200013421 is a deficient number, since it is larger than the sum of its proper divisors (162043304094579).

312134200013421 is an equidigital number, since it uses as much as digits as its factorization.

312134200013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65313705870 (or 65313705861 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 312134200013421 its reverse (124310002431213), we get a palindrome (436444202444634).

The spelling of 312134200013421 in words is "three hundred twelve trillion, one hundred thirty-four billion, two hundred million, thirteen thousand, four hundred twenty-one".