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12130913121 = 329990114083
BaseRepresentation
bin10110100110000111…
…10000101101100001
31011022102110020101120
423103003300231201
5144321003204441
65323423322453
7606421026435
oct132303605541
934272406346
1012130913121
115165647638
122426750429
1311b430cb02
148311789c5
154aeece966
hex2d30f0b61

12130913121 has 16 divisors (see below), whose sum is σ = 16735172160. Its totient is φ = 7807060800.

The previous prime is 12130913117. The next prime is 12130913167. The reversal of 12130913121 is 12131903121.

It is not a de Polignac number, because 12130913121 - 22 = 12130913117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12130913091 and 12130913100.

It is not an unprimeable number, because it can be changed into a prime (12130913021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854346 + ... + 868428.

It is an arithmetic number, because the mean of its divisors is an integer number (1045948260).

Almost surely, 212130913121 is an apocalyptic number.

It is an amenable number.

12130913121 is a deficient number, since it is larger than the sum of its proper divisors (4604259039).

12130913121 is a wasteful number, since it uses less digits than its factorization.

12130913121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24016.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 12130913121 in words is "twelve billion, one hundred thirty million, nine hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 3 29 87 9901 14083 29703 42249 287129 408407 861387 1225221 139435783 418307349 4043637707 12130913121