12207639090 has 32 divisors (see below), whose sum is σ = 29301341760. Its totient is φ = 3255036224.

The previous prime is 12207639043. The next prime is 12207639097. The reversal of 12207639090 is 9093670221.

12207639090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12207639097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450856 + ... + 477164.

It is an arithmetic number, because the mean of its divisors is an integer number (915666930).

Almost surely, 2^12207639090 is an apocalyptic number.

12207639090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12207639090 is an abundant number, since it is smaller than the sum of its proper divisors (17093702670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12207639090 is a wasteful number, since it uses less digits than its factorization.

12207639090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41786.

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 12207639090 in words is "twelve billion, two hundred seven million, six hundred thirty-nine thousand, ninety".