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12130113432 = 233505421393
BaseRepresentation
bin10110100110000001…
…01101011110011000
31011022100221121102110
423103000231132120
5144320302112212
65323354232320
7606411156123
oct132300553630
934270847373
1012130113432
115165150838
1224264256a0
1311b40bcb18
1483100b3ba
154aedc2a3c
hex2d302d798

12130113432 has 16 divisors (see below), whose sum is σ = 30325283640. Its totient is φ = 4043371136.

The previous prime is 12130113431. The next prime is 12130113439. The reversal of 12130113432 is 23431103121.

It is a junction number, because it is equal to n+sod(n) for n = 12130113399 and 12130113408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130113431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252710673 + ... + 252710720.

Almost surely, 212130113432 is an apocalyptic number.

12130113432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12130113432 is an abundant number, since it is smaller than the sum of its proper divisors (18195170208).

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

12130113432 is a wasteful number, since it uses less digits than its factorization.

12130113432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505421402 (or 505421398 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12130113432 its reverse (23431103121), we get a palindrome (35561216553).

The spelling of 12130113432 in words is "twelve billion, one hundred thirty million, one hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 505421393 1010842786 1516264179 2021685572 3032528358 4043371144 6065056716 12130113432