12393515910 has 32 divisors (see below), whose sum is σ = 29749420800. Its totient is φ = 3304383968.

The previous prime is 12393515879. The next prime is 12393515917. The reversal of 12393515910 is 1951539321.

It is a super-2 number, since 2×12393515910² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393515917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166669 + ... + 229271.

It is an arithmetic number, because the mean of its divisors is an integer number (929669400).

Almost surely, 2^12393515910 is an apocalyptic number.

12393515910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12393515910 is an abundant number, since it is smaller than the sum of its proper divisors (17355904890).

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

12393515910 is a wasteful number, since it uses less digits than its factorization.

12393515910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69212.

The product of its (nonzero) digits is 36450, while the sum is 39.

The spelling of 12393515910 in words is "twelve billion, three hundred ninety-three million, five hundred fifteen thousand, nine hundred ten".