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12197104012 = 2223991913883
BaseRepresentation
bin10110101110000000…
…10000100110001100
31011111001000002020001
423113000100212030
5144434424312022
65334150134044
7611153450002
oct132700204614
934431002201
1012197104012
115199a46855
122444951324
1311c4c46912
14839c88a72
154b5c06b27
hex2d701098c

12197104012 has 24 divisors (see below), whose sum is σ = 21459110400. Its totient is φ = 6065989776.

The previous prime is 12197104009. The next prime is 12197104061. The reversal of 12197104012 is 21040179121.

It is a super-2 number, since 2×121971040122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871623 + ... + 885505.

It is an arithmetic number, because the mean of its divisors is an integer number (894129600).

Almost surely, 212197104012 is an apocalyptic number.

It is an amenable number.

12197104012 is a deficient number, since it is larger than the sum of its proper divisors (9262006388).

12197104012 is a wasteful number, since it uses less digits than its factorization.

12197104012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15045 (or 15043 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 12197104012 in words is "twelve billion, one hundred ninety-seven million, one hundred four thousand, twelve".

Divisors: 1 2 4 239 478 919 956 1838 3676 13883 27766 55532 219641 439282 878564 3318037 6636074 12758477 13272148 25516954 51033908 3049276003 6098552006 12197104012