200021112012212 has 24 divisors (see below), whose sum is σ = 355120689323400. Its totient is φ = 98560287392256.

The previous prime is 200021112012203. The next prime is 200021112012299. The reversal of 200021112012212 is 212210211120002.

It can be written as a sum of positive squares in 4 ways, for example, as 109500235063696 + 90520876948516 = 10464236^2 + 9514246^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278324537 + ... + 279042272.

It is an arithmetic number, because the mean of its divisors is an integer number (14796695388475).

Almost surely, 2^{200021112012212} is an apocalyptic number.

It is an amenable number.

200021112012212 is a deficient number, since it is larger than the sum of its proper divisors (155099577311188).

200021112012212 is a wasteful number, since it uses less digits than its factorization.

200021112012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557368115 (or 557368113 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200021112012212 its reverse (212210211120002), we get a palindrome (412231323132214).

The spelling of 200021112012212 in words is "two hundred trillion, twenty-one billion, one hundred twelve million, twelve thousand, two hundred twelve".