12315052043 has 32 divisors (see below), whose sum is σ = 15095324160. Its totient is φ = 9822839040.

The previous prime is 12315052021. The next prime is 12315052051. The reversal of 12315052043 is 34025051321.

It is a happy number.

It is not a de Polignac number, because 12315052043 - 2²⁶ = 12247943179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12315052063) 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, 681896 + ... + 699722.

It is an arithmetic number, because the mean of its divisors is an integer number (471728880).

Almost surely, 2^12315052043 is an apocalyptic number.

12315052043 is a deficient number, since it is larger than the sum of its proper divisors (2780272117).

12315052043 is a wasteful number, since it uses less digits than its factorization.

12315052043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17987.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 12315052043 in words is "twelve billion, three hundred fifteen million, fifty-two thousand, forty-three".