312001422203421 has 48 divisors (see below), whose sum is σ = 461284293629952. Its totient is φ = 203139095702400.

The previous prime is 312001422203371. The next prime is 312001422203489. The reversal of 312001422203421 is 124302224100213.

312001422203421 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 0 + 14 + 2 + 220 + 3 + 421 = 666.

It is not a de Polignac number, because 312001422203421 - 2⁷ = 312001422203293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312001422203021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125798436 + ... + 128254626.

It is an arithmetic number, because the mean of its divisors is an integer number (9610089450624).

Almost surely, 2^{312001422203421} is an apocalyptic number.

It is an amenable number.

312001422203421 is a deficient number, since it is larger than the sum of its proper divisors (149282871426531).

312001422203421 is a wasteful number, since it uses less digits than its factorization.

312001422203421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457474 (or 2457471 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 312001422203421 its reverse (124302224100213), we get a palindrome (436303646303634).

The spelling of 312001422203421 in words is "three hundred twelve trillion, one billion, four hundred twenty-two million, two hundred three thousand, four hundred twenty-one".