12122329957 has 2 divisors, whose sum is σ = 12122329958. Its totient is φ = 12122329956.

The previous prime is 12122329939. The next prime is 12122329963. The reversal of 12122329957 is 75992322121.

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., 10501945441 + 1620384516 = 102479^2 + 40254^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122329957 - 2¹⁹ = 12121805669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12122329987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061164978 + 6061164979.

It is an arithmetic number, because the mean of its divisors is an integer number (6061164979).

Almost surely, 2^12122329957 is an apocalyptic number.

It is an amenable number.

12122329957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122329957 is an equidigital number, since it uses as much as digits as its factorization.

12122329957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The spelling of 12122329957 in words is "twelve billion, one hundred twenty-two million, three hundred twenty-nine thousand, nine hundred fifty-seven".