12220308459 has 16 divisors (see below), whose sum is σ = 18593463840. Its totient is φ = 7926685920.

The previous prime is 12220308439. The next prime is 12220308479. The reversal of 12220308459 is 95480302221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12220308439) and next prime (12220308479).

It is not a de Polignac number, because 12220308459 - 2²⁹ = 11683437547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220308409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6115272 + ... + 6117269.

It is an arithmetic number, because the mean of its divisors is an integer number (1162091490).

Almost surely, 2^12220308459 is an apocalyptic number.

12220308459 is a deficient number, since it is larger than the sum of its proper divisors (6373155381).

12220308459 is a wasteful number, since it uses less digits than its factorization.

12220308459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12232587 (or 12232581 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 12220308459 in words is "twelve billion, two hundred twenty million, three hundred eight thousand, four hundred fifty-nine".