12122020193929 has 2 divisors, whose sum is σ = 12122020193930. Its totient is φ = 12122020193928.

The previous prime is 12122020193917. The next prime is 12122020193971. The reversal of 12122020193929 is 92939102022121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7592670030400 + 4529350163529 = 2755480^2 + 2128227^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122020193929 - 2⁹ = 12122020193417 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122020193989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061010096964 + 6061010096965.

It is an arithmetic number, because the mean of its divisors is an integer number (6061010096965).

Almost surely, 2^{12122020193929} is an apocalyptic number.

It is an amenable number.

12122020193929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122020193929 is an equidigital number, since it uses as much as digits as its factorization.

12122020193929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 12122020193929 in words is "twelve trillion, one hundred twenty-two billion, twenty million, one hundred ninety-three thousand, nine hundred twenty-nine".