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12102220196 = 2211275050459
BaseRepresentation
bin10110100010101100…
…10011100110100100
31011020102110111002122
423101112103212210
5144241132021241
65320520325112
7605622113543
oct132126234644
934212414078
1012102220196
11515042a180
122419013798
1311ab3a4a51
1482b42a15a
154ac71304b
hex2d15939a4

12102220196 has 12 divisors (see below), whose sum is σ = 23104238640. Its totient is φ = 5501009160.

The previous prime is 12102220177. The next prime is 12102220213. The reversal of 12102220196 is 69102220121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137525186 + ... + 137525273.

It is an arithmetic number, because the mean of its divisors is an integer number (1925353220).

Almost surely, 212102220196 is an apocalyptic number.

It is an amenable number.

12102220196 is a deficient number, since it is larger than the sum of its proper divisors (11002018444).

12102220196 is a wasteful number, since it uses less digits than its factorization.

12102220196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275050474 (or 275050472 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12102220196 in words is "twelve billion, one hundred two million, two hundred twenty thousand, one hundred ninety-six".

Divisors: 1 2 4 11 22 44 275050459 550100918 1100201836 3025555049 6051110098 12102220196