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12230432107 = 19612172993
BaseRepresentation
bin10110110001111110…
…11001010101101011
31011120100201022202221
423120333121111223
5200021442311412
65341340334511
7612036646315
oct133077312553
934510638687
1012230432107
11520683a733
122453b44437
1311cbb1569a
148404827b5
154b8adbb07
hex2d8fd956b

12230432107 has 12 divisors (see below), whose sum is σ = 13088726040. Its totient is φ = 11396712960.

The previous prime is 12230432083. The next prime is 12230432129. The reversal of 12230432107 is 70123403221.

It is a happy number.

It is not a de Polignac number, because 12230432107 - 211 = 12230430059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12230432407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15798 + ... + 157195.

It is an arithmetic number, because the mean of its divisors is an integer number (1090727170).

Almost surely, 212230432107 is an apocalyptic number.

12230432107 is a deficient number, since it is larger than the sum of its proper divisors (858293933).

12230432107 is an equidigital number, since it uses as much as digits as its factorization.

12230432107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173134 (or 173073 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 12230432107 its reverse (70123403221), we get a palindrome (82353835328).

The spelling of 12230432107 in words is "twelve billion, two hundred thirty million, four hundred thirty-two thousand, one hundred seven".

Divisors: 1 19 61 1159 3721 70699 172993 3286867 10552573 200498887 643706953 12230432107