212300121020031 has 54 divisors (see below), whose sum is σ = 358061715947936. Its totient is φ = 121098108067200.

The previous prime is 212300121020017. The next prime is 212300121020059. The reversal of 212300121020031 is 130020121003212.

212300121020031 is a `hidden beast` number, since 2 + 12 + 300 + 121 + 0 + 200 + 31 = 666.

It is not a de Polignac number, because 212300121020031 - 2¹¹ = 212300121017983 is a prime.

It is a super-2 number, since 2×212300121020031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212300121019986 and 212300121020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212300121020011) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 336968335 + ... + 337597776.

Almost surely, 2^{212300121020031} is an apocalyptic number.

212300121020031 is a deficient number, since it is larger than the sum of its proper divisors (145761594927905).

212300121020031 is a wasteful number, since it uses less digits than its factorization.

212300121020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674566173 (or 674566142 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212300121020031 its reverse (130020121003212), we get a palindrome (342320242023243).

The spelling of 212300121020031 in words is "two hundred twelve trillion, three hundred billion, one hundred twenty-one million, twenty thousand, thirty-one".