12352120858877 has 2 divisors, whose sum is σ = 12352120858878. Its totient is φ = 12352120858876.

The previous prime is 12352120858813. The next prime is 12352120858919. The reversal of 12352120858877 is 77885802125321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10629908205316 + 1722212653561 = 3260354^2 + 1312331^2 .

It is a cyclic number.

It is not a de Polignac number, because 12352120858877 - 2⁶ = 12352120858813 is a prime.

It is a super-2 number, since 2×12352120858877² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12352120858807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6176060429438 + 6176060429439.

It is an arithmetic number, because the mean of its divisors is an integer number (6176060429439).

Almost surely, 2^{12352120858877} is an apocalyptic number.

It is an amenable number.

12352120858877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12352120858877 is an equidigital number, since it uses as much as digits as its factorization.

12352120858877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15052800, while the sum is 59.

The spelling of 12352120858877 in words is "twelve trillion, three hundred fifty-two billion, one hundred twenty million, eight hundred fifty-eight thousand, eight hundred seventy-seven".