12001020112057 has 2 divisors, whose sum is σ = 12001020112058. Its totient is φ = 12001020112056.

The previous prime is 12001020111943. The next prime is 12001020112091. The reversal of 12001020112057 is 75021102010021.

12001020112057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8431682757696 + 3569337354361 = 2903736^2 + 1889269^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001020112057 - 2²⁷ = 12000885894329 is a prime.

It is not a weakly prime, because it can be changed into another prime (12002020112057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000510056028 + 6000510056029.

It is an arithmetic number, because the mean of its divisors is an integer number (6000510056029).

Almost surely, 2^{12001020112057} is an apocalyptic number.

It is an amenable number.

12001020112057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001020112057 is an equidigital number, since it uses as much as digits as its factorization.

12001020112057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 12001020112057 its reverse (75021102010021), we get a palindrome (87022122122078).

The spelling of 12001020112057 in words is "twelve trillion, one billion, twenty million, one hundred twelve thousand, fifty-seven".