200031121122012 has 60 divisors (see below), whose sum is σ = 522933546914856. Its totient is φ = 66675423054240.

The previous prime is 200031121121989. The next prime is 200031121122029. The reversal of 200031121122012 is 210221121130002.

200031121122012 is a `hidden beast` number, since 200 + 0 + 31 + 1 + 211 + 220 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5927563 + ... + 20861405.

Almost surely, 2^{200031121122012} is an apocalyptic number.

It is an amenable number.

200031121122012 is an abundant number, since it is smaller than the sum of its proper divisors (322902425792844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200031121122012 is a wasteful number, since it uses less digits than its factorization.

200031121122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14975200 (or 14975189 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 200031121122012 its reverse (210221121130002), we get a palindrome (410252242252014).

The spelling of 200031121122012 in words is "two hundred trillion, thirty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, twelve".