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12251123310025 = 522409120341411
BaseRepresentation
bin1011001001000110111111…
…0110100101110111001001
31121101012021211220000120201
42302101233312211313021
53101210300031410100
642020031030052201
72403054153641425
oct262215766456711
947335254800521
1012251123310025
1139a37437a4546
12145a4244aa061
136ab378401362
14304d59679b85
15163a2e67736a
hexb246fda5dc9

12251123310025 has 12 divisors (see below), whose sum is σ = 15192024235024. Its totient is φ = 9800491338000.

The previous prime is 12251123309927. The next prime is 12251123310047. The reversal of 12251123310025 is 52001332115221.

It is not a de Polignac number, because 12251123310025 - 227 = 12250989092297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12251123309975 and 12251123310002.

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, 9568431 + ... + 10772980.

Almost surely, 212251123310025 is an apocalyptic number.

It is an amenable number.

12251123310025 is a deficient number, since it is larger than the sum of its proper divisors (2940900924999).

12251123310025 is a wasteful number, since it uses less digits than its factorization.

12251123310025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20365512 (or 20365507 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 12251123310025 its reverse (52001332115221), we get a palindrome (64252455425246).

The spelling of 12251123310025 in words is "twelve trillion, two hundred fifty-one billion, one hundred twenty-three million, three hundred ten thousand, twenty-five".

Divisors: 1 5 25 24091 120455 602275 20341411 101707055 508535275 490044932401 2450224662005 12251123310025