120212222899129 has 2 divisors, whose sum is σ = 120212222899130. Its totient is φ = 120212222899128.

The previous prime is 120212222899073. The next prime is 120212222899169. The reversal of 120212222899129 is 921998222212021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97364635491904 + 22847587407225 = 9867352^2 + 4779915^2 .

It is an emirp because it is prime and its reverse (921998222212021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120212222899129 - 2³⁷ = 120074783945657 is a prime.

It is not a weakly prime, because it can be changed into another prime (120212222899169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106111449564 + 60106111449565.

It is an arithmetic number, because the mean of its divisors is an integer number (60106111449565).

Almost surely, 2^{120212222899129} is an apocalyptic number.

It is an amenable number.

120212222899129 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212222899129 is an equidigital number, since it uses as much as digits as its factorization.

120212222899129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 120212222899129 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred twenty-two million, eight hundred ninety-nine thousand, one hundred twenty-nine".