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200021112012212 = 22731229557366809
BaseRepresentation
bin101101011110101100001011…
…010101000011110110110100
3222020012211110012121101210122
4231132230023111003312310
5202204121214133342322
61545224232541111112
760063022422414521
oct5536541325036664
9866184405541718
10200021112012212
1158807528211627
121a525521858498
13877bbaa161bba
143757105894148
15181d01c765442
hexb5eb0b543db4

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, 2200021112012212 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".

Divisors: 1 2 4 73 146 292 1229 2458 4916 89717 179434 358868 557366809 1114733618 2229467236 40687777057 81375554114 162751108228 685003808261 1370007616522 2740015233044 50005278003053 100010556006106 200021112012212