12215500514 has 32 divisors (see below), whose sum is σ = 21884186880. Its totient is φ = 5000067072.

The previous prime is 12215500511. The next prime is 12215500519. The reversal of 12215500514 is 41500551221.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12215500511) 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, 188522 + ... + 244890.

It is an arithmetic number, because the mean of its divisors is an integer number (683880840).

Almost surely, 2^12215500514 is an apocalyptic number.

12215500514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12215500514 is a deficient number, since it is larger than the sum of its proper divisors (9668686366).

12215500514 is a wasteful number, since it uses less digits than its factorization.

12215500514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57074.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 12215500514 in words is "twelve billion, two hundred fifteen million, five hundred thousand, five hundred fourteen".