312001142424421 has 8 divisors (see below), whose sum is σ = 318725653438080. Its totient is φ = 305280222612288.

The previous prime is 312001142424403. The next prime is 312001142424469. The reversal of 312001142424421 is 124424241100213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312001142424421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312001142424721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897624751 + ... + 897972268.

It is an arithmetic number, because the mean of its divisors is an integer number (39840706679760).

Almost surely, 2^{312001142424421} is an apocalyptic number.

It is an amenable number.

312001142424421 is a deficient number, since it is larger than the sum of its proper divisors (6724511013659).

312001142424421 is a wasteful number, since it uses less digits than its factorization.

312001142424421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795600763.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 312001142424421 its reverse (124424241100213), we get a palindrome (436425383524634).

The spelling of 312001142424421 in words is "three hundred twelve trillion, one billion, one hundred forty-two million, four hundred twenty-four thousand, four hundred twenty-one".