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12250352135 = 571245128111
BaseRepresentation
bin10110110100010110…
…11000101000000111
31011121202012100220202
423122023120220013
5200042042232020
65343331321115
7612401163230
oct133213305007
934552170822
1012250352135
11521700596a
12245a75019b
131202c9b598
14842d8a087
154ba723e75
hex2da2d8a07

12250352135 has 16 divisors (see below), whose sum is σ = 16802429952. Its totient is φ = 8399268000.

The previous prime is 12250352123. The next prime is 12250352137. The reversal of 12250352135 is 53125305221.

It is a de Polignac number, because none of the positive numbers 2k-12250352135 is a prime.

It is a super-2 number, since 2×122503521352 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12250352098 and 12250352107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12250352137) 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, 421730 + ... + 449840.

It is an arithmetic number, because the mean of its divisors is an integer number (1050151872).

Almost surely, 212250352135 is an apocalyptic number.

12250352135 is a deficient number, since it is larger than the sum of its proper divisors (4552077817).

12250352135 is a wasteful number, since it uses less digits than its factorization.

12250352135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40574.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 12250352135 its reverse (53125305221), we get a palindrome (65375657356).

The spelling of 12250352135 in words is "twelve billion, two hundred fifty million, three hundred fifty-two thousand, one hundred thirty-five".

Divisors: 1 5 7 35 12451 28111 62255 87157 140555 196777 435785 983885 350010061 1750050305 2450070427 12250352135