12312100130 has 64 divisors (see below), whose sum is σ = 26040960000. Its totient is φ = 4142819520.

The previous prime is 12312100109. The next prime is 12312100139. The reversal of 12312100130 is 3100121321.

It is a super-2 number, since 2×12312100130² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12312100139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21371 + ... + 158369.

It is an arithmetic number, because the mean of its divisors is an integer number (406890000).

Almost surely, 2^12312100130 is an apocalyptic number.

12312100130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312100130 is an abundant number, since it is smaller than the sum of its proper divisors (13728859870).

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

12312100130 is a wasteful number, since it uses less digits than its factorization.

12312100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137079.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12312100130 its reverse (3100121321), we get a palindrome (15412221451).

The spelling of 12312100130 in words is "twelve billion, three hundred twelve million, one hundred thousand, one hundred thirty".