12221000039 has 2 divisors, whose sum is σ = 12221000040. Its totient is φ = 12221000038.

The previous prime is 12221000003. The next prime is 12221000041. The reversal of 12221000039 is 93000012221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12221000039 - 2⁸ = 12220999783 is a prime.

Together with 12221000041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221000639) 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 as a sum of consecutive naturals, namely, 6110500019 + 6110500020.

It is an arithmetic number, because the mean of its divisors is an integer number (6110500020).

Almost surely, 2^12221000039 is an apocalyptic number.

12221000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221000039 is an equidigital number, since it uses as much as digits as its factorization.

12221000039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 12221000039 in words is "twelve billion, two hundred twenty-one million, thirty-nine", and thus it is an aban number.