12147999590 has 16 divisors (see below), whose sum is σ = 21867957072. Its totient is φ = 4858853664.

The previous prime is 12147999583. The next prime is 12147999599. The reversal of 12147999590 is 9599974121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147999599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141812 + ... + 210728.

It is an arithmetic number, because the mean of its divisors is an integer number (1366747317).

Almost surely, 2^12147999590 is an apocalyptic number.

12147999590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12147999590 is a deficient number, since it is larger than the sum of its proper divisors (9719957482).

12147999590 is a wasteful number, since it uses less digits than its factorization.

12147999590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86551.

The product of its (nonzero) digits is 1837080, while the sum is 56.

The spelling of 12147999590 in words is "twelve billion, one hundred forty-seven million, nine hundred ninety-nine thousand, five hundred ninety".