12019933913257 has 2 divisors, whose sum is σ = 12019933913258. Its totient is φ = 12019933913256.

The previous prime is 12019933913227. The next prime is 12019933913263. The reversal of 12019933913257 is 75231933991021.

12019933913257 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., 10093767430761 + 1926166482496 = 3177069^2 + 1387864^2 .

It is an emirp because it is prime and its reverse (75231933991021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12019933913257 is a prime.

It is a super-2 number, since 2×12019933913257² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12019933913198 and 12019933913207.

It is not a weakly prime, because it can be changed into another prime (12019933913227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6009966956628 + 6009966956629.

It is an arithmetic number, because the mean of its divisors is an integer number (6009966956629).

Almost surely, 2^{12019933913257} is an apocalyptic number.

It is an amenable number.

12019933913257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12019933913257 is an equidigital number, since it uses as much as digits as its factorization.

12019933913257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 12019933913257 in words is "twelve trillion, nineteen billion, nine hundred thirty-three million, nine hundred thirteen thousand, two hundred fifty-seven".