12312130130 has 16 divisors (see below), whose sum is σ = 22163390424. Its totient is φ = 4924506240.

The previous prime is 12312130109. The next prime is 12312130147. The reversal of 12312130130 is 3103121321.

It can be written as a sum of positive squares in 4 ways, for example, as 10978638841 + 1333491289 = 104779^2 + 36517^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12312130099 and 12312130108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145574 + ... + 214046.

Almost surely, 2^12312130130 is an apocalyptic number.

12312130130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312130130 is a deficient number, since it is larger than the sum of its proper divisors (9851260294).

12312130130 is a wasteful number, since it uses less digits than its factorization.

12312130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86461.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12312130130 its reverse (3103121321), we get a palindrome (15415251451).

The spelling of 12312130130 in words is "twelve billion, three hundred twelve million, one hundred thirty thousand, one hundred thirty".