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212021111212202 = 2173123231750999
BaseRepresentation
bin110000001101010100000011…
…000001001100100010101010
31000210201000112210011212012002
4300031110003001030202222
5210242223213432242302
62030533053122051002
762442006533555615
oct6015240301144252
91023630483155162
10212021111212202
116161371499a366
121b9431411a9a62
13913c6746315b6
143a4dc3b30517c
15197a250578c02
hexc0d50304c8aa

212021111212202 has 32 divisors (see below), whose sum is σ = 337932213840000. Its totient is φ = 99766486974144.

The previous prime is 212021111212159. The next prime is 212021111212271. The reversal of 212021111212202 is 202212111120212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120210299 + ... + 121961297.

It is an arithmetic number, because the mean of its divisors is an integer number (10560381682500).

Almost surely, 2212021111212202 is an apocalyptic number.

212021111212202 is a deficient number, since it is larger than the sum of its proper divisors (125911102627798).

212021111212202 is a wasteful number, since it uses less digits than its factorization.

212021111212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763375 (or 1763341 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212021111212202 its reverse (202212111120212), we get a palindrome (414233222332414).

The spelling of 212021111212202 in words is "two hundred twelve trillion, twenty-one billion, one hundred eleven million, two hundred twelve thousand, two hundred two".

Divisors: 1 2 17 34 289 578 4913 9826 12323 24646 209491 418982 1750999 3501998 3561347 7122694 29766983 59533966 60542899 121085798 506038711 1012077422 8602658087 17205316174 21577560677 43155121354 366818531509 733637063018 6235915035653 12471830071306 106010555606101 212021111212202