12303571515 has 16 divisors (see below), whose sum is σ = 19710007296. Its totient is φ = 6553807200.

The previous prime is 12303571513. The next prime is 12303571519. The reversal of 12303571515 is 51517530321.

It is not a de Polignac number, because 12303571515 - 2¹ = 12303571513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12303571513) 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, 493531 + ... + 517860.

It is an arithmetic number, because the mean of its divisors is an integer number (1231875456).

Almost surely, 2^12303571515 is an apocalyptic number.

12303571515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12303571515 is a deficient number, since it is larger than the sum of its proper divisors (7406435781).

12303571515 is a wasteful number, since it uses less digits than its factorization.

12303571515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012210.

The product of its (nonzero) digits is 15750, while the sum is 33.

The spelling of 12303571515 in words is "twelve billion, three hundred three million, five hundred seventy-one thousand, five hundred fifteen".