12152767987 has 2 divisors, whose sum is σ = 12152767988. Its totient is φ = 12152767986.

The previous prime is 12152767873. The next prime is 12152768003. The reversal of 12152767987 is 78976725121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12152767987 is a prime.

It is not a weakly prime, because it can be changed into another prime (12152767387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076383993 + 6076383994.

It is an arithmetic number, because the mean of its divisors is an integer number (6076383994).

Almost surely, 2^12152767987 is an apocalyptic number.

12152767987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12152767987 is an equidigital number, since it uses as much as digits as its factorization.

12152767987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 55.

The spelling of 12152767987 in words is "twelve billion, one hundred fifty-two million, seven hundred sixty-seven thousand, nine hundred eighty-seven".