12025959877 has 2 divisors, whose sum is σ = 12025959878. Its totient is φ = 12025959876.

The previous prime is 12025959821. The next prime is 12025959949. The reversal of 12025959877 is 77895952021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10251360001 + 1774599876 = 101249^2 + 42126^2 .

It is an emirp because it is prime and its reverse (77895952021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12025959877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12025959277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6012979938 + 6012979939.

It is an arithmetic number, because the mean of its divisors is an integer number (6012979939).

Almost surely, 2^12025959877 is an apocalyptic number.

It is an amenable number.

12025959877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12025959877 is an equidigital number, since it uses as much as digits as its factorization.

12025959877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 12025959877 in words is "twelve billion, twenty-five million, nine hundred fifty-nine thousand, eight hundred seventy-seven".