12113034312 has 32 divisors (see below), whose sum is σ = 30285496800. Its totient is φ = 4037289984.

The previous prime is 12113034277. The next prime is 12113034317. The reversal of 12113034312 is 21343031121.

It is not an unprimeable number, because it can be changed into a prime (12113034317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345864 + ... + 379272.

It is an arithmetic number, because the mean of its divisors is an integer number (946421775).

Almost surely, 2^12113034312 is an apocalyptic number.

12113034312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12113034312 is an abundant number, since it is smaller than the sum of its proper divisors (18172462488).

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

12113034312 is a wasteful number, since it uses less digits than its factorization.

12113034312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48525 (or 48521 counting only the distinct ones).

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

Adding to 12113034312 its reverse (21343031121), we get a palindrome (33456065433).

The spelling of 12113034312 in words is "twelve billion, one hundred thirteen million, thirty-four thousand, three hundred twelve".