12240706515 has 8 divisors (see below), whose sum is σ = 19585130448. Its totient is φ = 6528376800.

The previous prime is 12240706481. The next prime is 12240706523. The reversal of 12240706515 is 51560704221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12240706515 - 2²⁶ = 12173597651 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408023536 + ... + 408023565.

It is an arithmetic number, because the mean of its divisors is an integer number (2448141306).

Almost surely, 2^12240706515 is an apocalyptic number.

12240706515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12240706515 is a deficient number, since it is larger than the sum of its proper divisors (7344423933).

12240706515 is an equidigital number, since it uses as much as digits as its factorization.

12240706515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816047109.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 12240706515 in words is "twelve billion, two hundred forty million, seven hundred six thousand, five hundred fifteen".