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102212020002 = 23791777121349
BaseRepresentation
bin101111100110001001…
…1111010011100100010
3100202211022221121020110
41133030103322130202
53133312234120002
6114542222152150
710245623556261
oct1371423723442
9322738847213
10102212020002
113a391025504
1217986722656
13983bb8c211
144d38b4a5d8
1529d352ce6c
hex17cc4fa722

102212020002 has 32 divisors (see below), whose sum is σ = 207129888000. Its totient is φ = 33620191488.

The previous prime is 102212019997. The next prime is 102212020049. The reversal of 102212020002 is 200020212201.

It is a self number, because there is not a number n which added to its sum of digits gives 102212020002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781624 + ... + 902972.

It is an arithmetic number, because the mean of its divisors is an integer number (6472809000).

Almost surely, 2102212020002 is an apocalyptic number.

102212020002 is an abundant number, since it is smaller than the sum of its proper divisors (104917867998).

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

102212020002 is a wasteful number, since it uses less digits than its factorization.

102212020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123210.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 102212020002 its reverse (200020212201), we get a palindrome (302232232203).

The spelling of 102212020002 in words is "one hundred two billion, two hundred twelve million, twenty thousand, two".

Divisors: 1 2 3 6 79 158 237 474 1777 3554 5331 10662 121349 140383 242698 280766 364047 421149 728094 842298 9586571 19173142 28759713 57519426 215637173 431274346 646911519 1293823038 17035336667 34070673334 51106010001 102212020002