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12130103122 = 229277857881
BaseRepresentation
bin10110100110000001…
…01010111101010010
31011022100221002021121
423103000222331102
5144320301244442
65323354112454
7606411114064
oct132300527522
934270832247
1012130103122
115165144015
12242641b72a
1311b40b8217
14831007734
154aedbe967
hex2d302af52

12130103122 has 32 divisors (see below), whose sum is σ = 18934035120. Its totient is φ = 5821347840.

The previous prime is 12130103021. The next prime is 12130103137. The reversal of 12130103122 is 22130103121.

It can be written as a sum of positive squares in 8 ways, for example, as 5009949961 + 7120153161 = 70781^2 + 84381^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12130103096 and 12130103105.

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, 13768122 + ... + 13769002.

Almost surely, 212130103122 is an apocalyptic number.

12130103122 is a deficient number, since it is larger than the sum of its proper divisors (6803931998).

12130103122 is a wasteful number, since it uses less digits than its factorization.

12130103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12130103122 its reverse (22130103121), we get a palindrome (34260206243).

Subtracting 12130103122 from its reverse (22130103121), we obtain a palindrome (9999999999).

The spelling of 12130103122 in words is "twelve billion, one hundred thirty million, one hundred three thousand, one hundred twenty-two".

Divisors: 1 2 29 58 277 554 857 881 1714 1762 8033 16066 24853 25549 49706 51098 237389 244037 474778 488074 755017 1510034 6884281 7077073 13768562 14154146 21895493 43790986 209139709 418279418 6065051561 12130103122