12268518315 has 16 divisors (see below), whose sum is σ = 19711085856. Its totient is φ = 6516057600.

The previous prime is 12268518313. The next prime is 12268518337. The reversal of 12268518315 is 51381586221.

It is not a de Polignac number, because 12268518315 - 2¹ = 12268518313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12268518313) 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, 1693276 + ... + 1700505.

It is an arithmetic number, because the mean of its divisors is an integer number (1231942866).

Almost surely, 2^12268518315 is an apocalyptic number.

12268518315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12268518315 is a deficient number, since it is larger than the sum of its proper divisors (7442567541).

12268518315 is a wasteful number, since it uses less digits than its factorization.

12268518315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394030.

The product of its digits is 115200, while the sum is 42.

The spelling of 12268518315 in words is "twelve billion, two hundred sixty-eight million, five hundred eighteen thousand, three hundred fifteen".