12312042134 has 24 divisors (see below), whose sum is σ = 21489166440. Its totient is φ = 5275138176.

The previous prime is 12312042079. The next prime is 12312042187. The reversal of 12312042134 is 43124021321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389429 + ... + 419855.

It is an arithmetic number, because the mean of its divisors is an integer number (895381935).

Almost surely, 2^12312042134 is an apocalyptic number.

12312042134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12312042134 is a deficient number, since it is larger than the sum of its proper divisors (9177124306).

12312042134 is a wasteful number, since it uses less digits than its factorization.

12312042134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34572 (or 34565 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12312042134 its reverse (43124021321), we get a palindrome (55436063455).

The spelling of 12312042134 in words is "twelve billion, three hundred twelve million, forty-two thousand, one hundred thirty-four".