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12010120010 = 257224510449
BaseRepresentation
bin10110010111101101…
…11110001101001010
31011000000011022101122
423023312332031022
5144044042320020
65303430315242
7603423223100
oct131366761512
934000138348
1012010120010
115103443a19
1223b21b8b22
131195298bb5
1481d0d3c70
154a45be125
hex2cbdbe34a

12010120010 has 24 divisors (see below), whose sum is σ = 25147721700. Its totient is φ = 4117755264.

The previous prime is 12010119977. The next prime is 12010120079. The reversal of 12010120010 is 1002101021.

It can be written as a sum of positive squares in 2 ways, for example, as 11953704889 + 56415121 = 109333^2 + 7511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12010120010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12254735 + ... + 12255714.

Almost surely, 212010120010 is an apocalyptic number.

12010120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12010120010 is an abundant number, since it is smaller than the sum of its proper divisors (13137601690).

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

12010120010 is a wasteful number, since it uses less digits than its factorization.

12010120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24510470 (or 24510463 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12010120010 its reverse (1002101021), we get a palindrome (13012221031).

The spelling of 12010120010 in words is "twelve billion, ten million, one hundred twenty thousand, ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 24510449 49020898 122552245 171573143 245104490 343146286 857865715 1201012001 1715731430 2402024002 6005060005 12010120010