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12012142110 = 2351512651687
BaseRepresentation
bin10110010111111101…
…01011111000011110
31011000010222001012020
423023332223320132
5144100102021420
65303541521010
7603446344323
oct131376537036
934003861166
1012012142110
1151045a5181
1223b2a13166
1311958263c7
1481d49cb4a
154a486d340
hex2cbfabe1e

12012142110 has 32 divisors (see below), whose sum is σ = 29020073472. Its totient is φ = 3182023200.

The previous prime is 12012142073. The next prime is 12012142147. The reversal of 12012142110 is 1124121021.

It is an interprime number because it is at equal distance from previous prime (12012142073) and next prime (12012142147).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12012142110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321314 + ... + 1330373.

It is an arithmetic number, because the mean of its divisors is an integer number (906877296).

Almost surely, 212012142110 is an apocalyptic number.

12012142110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012142110 is an abundant number, since it is smaller than the sum of its proper divisors (17007931362).

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

12012142110 is a wasteful number, since it uses less digits than its factorization.

12012142110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651848.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12012142110 its reverse (1124121021), we get a palindrome (13136263131).

The spelling of 12012142110 in words is "twelve billion, twelve million, one hundred forty-two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 151 302 453 755 906 1510 2265 4530 2651687 5303374 7955061 13258435 15910122 26516870 39775305 79550610 400404737 800809474 1201214211 2002023685 2402428422 4004047370 6006071055 12012142110