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12124130312 = 237172749143
BaseRepresentation
bin10110100101010011…
…11000110000001000
31011021221200122010102
423102221320300020
5144312234132222
65323022104532
7606306256460
oct132251706010
934257618112
1012124130312
115161834608
12242441b148
1311b2aa6708
148302d0ba0
154ae5ded92
hex2d2a78c08

12124130312 has 48 divisors (see below), whose sum is σ = 27598464960. Its totient is φ = 4890398976.

The previous prime is 12124130279. The next prime is 12124130327. The reversal of 12124130312 is 21303142121.

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, 358388 + ... + 390755.

It is an arithmetic number, because the mean of its divisors is an integer number (574968020).

Almost surely, 212124130312 is an apocalyptic number.

It is an amenable number.

12124130312 is an abundant number, since it is smaller than the sum of its proper divisors (15474334648).

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

12124130312 is a wasteful number, since it uses less digits than its factorization.

12124130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749190 (or 749169 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12124130312 its reverse (21303142121), we get a palindrome (33427272433).

The spelling of 12124130312 in words is "twelve billion, one hundred twenty-four million, one hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 289 476 578 952 1156 2023 2312 4046 8092 16184 749143 1498286 2996572 5244001 5993144 10488002 12735431 20976004 25470862 41952008 50941724 89148017 101883448 178296034 216502327 356592068 433004654 713184136 866009308 1515516289 1732018616 3031032578 6062065156 12124130312