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122102121121112 = 23117091957015661
BaseRepresentation
bin11011110000110100011101…
…100011100100010101011000
3121000022211220202112100022102
4123300310131203210111120
5112001010121001333422
61111404535015542532
734501405246663256
oct3360643543442530
9530284822470272
10122102121121112
11359a62451a4850
121184026138aa48
135319246a75112
142221aba5675d6
15e1b252ba8192
hex6f0d1d8e4558

122102121121112 has 32 divisors (see below), whose sum is σ = 250106601603600. Its totient is φ = 55422683491200.

The previous prime is 122102121121091. The next prime is 122102121121121. The reversal of 122102121121112 is 211121121201221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978445439 + ... + 978570222.

Almost surely, 2122102121121112 is an apocalyptic number.

It is an amenable number.

122102121121112 is an abundant number, since it is smaller than the sum of its proper divisors (128004480482488).

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

122102121121112 is a wasteful number, since it uses less digits than its factorization.

122102121121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957016387 (or 1957016383 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 122102121121112 its reverse (211121121201221), we get a palindrome (333223242322333).

The spelling of 122102121121112 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 709 1418 2836 5672 7799 15598 31196 62392 1957015661 3914031322 7828062644 15656125288 21527172271 43054344542 86108689084 172217378168 1387524103649 2775048207298 5550096414596 11100192829192 15262765140139 30525530280278 61051060560556 122102121121112