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12120133112 = 231515016639
BaseRepresentation
bin10110100100110101…
…01000110111111000
31011021200011112222222
423102122220313320
5144310223224422
65322400303212
7606230301023
oct132232506770
934250145888
1012120133112
11515a55443a
122423011b08
1311b20071c9
1482d9701ba
154ae0a0842
hex2d26a8df8

12120133112 has 8 divisors (see below), whose sum is σ = 22725249600. Its totient is φ = 6060066552.

The previous prime is 12120133093. The next prime is 12120133141. The reversal of 12120133112 is 21133102121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757508312 + ... + 757508327.

It is an arithmetic number, because the mean of its divisors is an integer number (2840656200).

Almost surely, 212120133112 is an apocalyptic number.

It is an amenable number.

12120133112 is a deficient number, since it is larger than the sum of its proper divisors (10605116488).

12120133112 is a wasteful number, since it uses less digits than its factorization.

12120133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515016645 (or 1515016641 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12120133112 its reverse (21133102121), we get a palindrome (33253235233).

The spelling of 12120133112 in words is "twelve billion, one hundred twenty million, one hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 1515016639 3030033278 6060066556 12120133112