12020031209957 has 2 divisors, whose sum is σ = 12020031209958. Its totient is φ = 12020031209956.

The previous prime is 12020031209933. The next prime is 12020031210017. The reversal of 12020031209957 is 75990213002021.

12020031209957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11234523018436 + 785508191521 = 3351794^2 + 886289^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020031209957 - 2²² = 12020027015653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020031209057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010015604978 + 6010015604979.

It is an arithmetic number, because the mean of its divisors is an integer number (6010015604979).

Almost surely, 2^{12020031209957} is an apocalyptic number.

It is an amenable number.

12020031209957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020031209957 is an equidigital number, since it uses as much as digits as its factorization.

12020031209957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 12020031209957 in words is "twelve trillion, twenty billion, thirty-one million, two hundred nine thousand, nine hundred fifty-seven".