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12012590860 = 225600629543
BaseRepresentation
bin10110011000000000…
…11001011100001100
31011000011210211202121
423030000121130030
5144100210401420
65303555302324
7603453223534
oct131400313414
934004724677
1012012590860
115104881346
1223b2baa9a4
13119595273a
1481d5784c4
154a490b2aa
hex2cc01970c

12012590860 has 12 divisors (see below), whose sum is σ = 25226440848. Its totient is φ = 4805036336.

The previous prime is 12012590851. The next prime is 12012590869. The reversal of 12012590860 is 6809521021.

It is an interprime number because it is at equal distance from previous prime (12012590851) and next prime (12012590869).

It is not an unprimeable number, because it can be changed into a prime (12012590869) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 300314752 + ... + 300314791.

It is an arithmetic number, because the mean of its divisors is an integer number (2102203404).

Almost surely, 212012590860 is an apocalyptic number.

12012590860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012590860 is an abundant number, since it is smaller than the sum of its proper divisors (13213849988).

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

12012590860 is a wasteful number, since it uses less digits than its factorization.

12012590860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600629552 (or 600629550 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 12012590860 in words is "twelve billion, twelve million, five hundred ninety thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 600629543 1201259086 2402518172 3003147715 6006295430 12012590860