12312130134 has 16 divisors (see below), whose sum is σ = 24639602688. Its totient is φ = 4101486312.

The previous prime is 12312130109. The next prime is 12312130147. The reversal of 12312130134 is 43103121321.

It is a self number, because there is not a number n which added to its sum of digits gives 12312130134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628822 + ... + 648105.

It is an arithmetic number, because the mean of its divisors is an integer number (1539975168).

Almost surely, 2^12312130134 is an apocalyptic number.

12312130134 is an abundant number, since it is smaller than the sum of its proper divisors (12327472554).

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

12312130134 is a wasteful number, since it uses less digits than its factorization.

12312130134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278539.

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

Adding to 12312130134 its reverse (43103121321), we get a palindrome (55415251455).

The spelling of 12312130134 in words is "twelve billion, three hundred twelve million, one hundred thirty thousand, one hundred thirty-four".