12221000179 has 2 divisors, whose sum is σ = 12221000180. Its totient is φ = 12221000178.

The previous prime is 12221000111. The next prime is 12221000219. The reversal of 12221000179 is 97100012221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12221000179 - 2²¹ = 12218903027 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221001179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110500089 + 6110500090.

It is an arithmetic number, because the mean of its divisors is an integer number (6110500090).

Almost surely, 2^12221000179 is an apocalyptic number.

12221000179 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221000179 is an equidigital number, since it uses as much as digits as its factorization.

12221000179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 12221000179 in words is "twelve billion, two hundred twenty-one million, one hundred seventy-nine", and thus it is an aban number.