200312331012 has 72 divisors (see below), whose sum is σ = 511512019200. Its totient is φ = 66092775168.

The previous prime is 200312330993. The next prime is 200312331019. The reversal of 200312331012 is 210133213002.

200312331012 is a `hidden beast` number, since 20 + 0 + 312 + 331 + 0 + 1 + 2 = 666.

It is a super-2 number, since 2×200312331012² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (200312331019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1367164 + ... + 1506572.

It is an arithmetic number, because the mean of its divisors is an integer number (7104333600).

Almost surely, 2^200312331012 is an apocalyptic number.

It is an amenable number.

200312331012 is an abundant number, since it is smaller than the sum of its proper divisors (311199688188).

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

200312331012 is a wasteful number, since it uses less digits than its factorization.

200312331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139825 (or 139820 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 200312331012 its reverse (210133213002), we get a palindrome (410445544014).

The spelling of 200312331012 in words is "two hundred billion, three hundred twelve million, three hundred thirty-one thousand, twelve".