12212120159 has 2 divisors, whose sum is σ = 12212120160. Its totient is φ = 12212120158.

The previous prime is 12212120113. The next prime is 12212120177. The reversal of 12212120159 is 95102121221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212120159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212123159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106060079 + 6106060080.

It is an arithmetic number, because the mean of its divisors is an integer number (6106060080).

Almost surely, 2^12212120159 is an apocalyptic number.

12212120159 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212120159 is an equidigital number, since it uses as much as digits as its factorization.

12212120159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 12212120159 in words is "twelve billion, two hundred twelve million, one hundred twenty thousand, one hundred fifty-nine".