12315871510 has 64 divisors (see below), whose sum is σ = 24135693120. Its totient is φ = 4506439680.

The previous prime is 12315871507. The next prime is 12315871517. The reversal of 12315871510 is 1517851321.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315871517) 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, 1927501 + ... + 1933879.

It is an arithmetic number, because the mean of its divisors is an integer number (377120205).

Almost surely, 2^12315871510 is an apocalyptic number.

12315871510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12315871510 is a deficient number, since it is larger than the sum of its proper divisors (11819821610).

12315871510 is a wasteful number, since it uses less digits than its factorization.

12315871510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721.

The product of its (nonzero) digits is 8400, while the sum is 34.

The spelling of 12315871510 in words is "twelve billion, three hundred fifteen million, eight hundred seventy-one thousand, five hundred ten".