122713129901 has 2 divisors, whose sum is σ = 122713129902. Its totient is φ = 122713129900.

The previous prime is 122713129871. The next prime is 122713129909. The reversal of 122713129901 is 109921317221.

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., 120790307401 + 1922822500 = 347549^2 + 43850^2 .

It is a cyclic number.

It is not a de Polignac number, because 122713129901 - 2⁶ = 122713129837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122713129909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61356564950 + 61356564951.

It is an arithmetic number, because the mean of its divisors is an integer number (61356564951).

Almost surely, 2^122713129901 is an apocalyptic number.

It is an amenable number.

122713129901 is a deficient number, since it is larger than the sum of its proper divisors (1).

122713129901 is an equidigital number, since it uses as much as digits as its factorization.

122713129901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 122713129901 in words is "one hundred twenty-two billion, seven hundred thirteen million, one hundred twenty-nine thousand, nine hundred one".