200312133121212 has 24 divisors (see below), whose sum is σ = 534165688323456. Its totient is φ = 57232038034608.

The previous prime is 200312133121211. The next prime is 200312133121223. The reversal of 200312133121212 is 212121331213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200312133121211) 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, 1192334125638 + ... + 1192334125805.

It is an arithmetic number, because the mean of its divisors is an integer number (22256903680144).

Almost surely, 2^{200312133121212} is an apocalyptic number.

It is an amenable number.

200312133121212 is an abundant number, since it is smaller than the sum of its proper divisors (333853555202244).

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

200312133121212 is a wasteful number, since it uses less digits than its factorization.

200312133121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384668251457 (or 2384668251455 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 200312133121212 its reverse (212121331213002), we get a palindrome (412433464334214).

The spelling of 200312133121212 in words is "two hundred trillion, three hundred twelve billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred twelve".