12412039987 has 2 divisors, whose sum is σ = 12412039988. Its totient is φ = 12412039986.

The previous prime is 12412039973. The next prime is 12412040023. The reversal of 12412039987 is 78993021421.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (78993021421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12412039987 - 2⁷ = 12412039859 is a prime.

It is not a weakly prime, because it can be changed into another prime (12412039967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206019993 + 6206019994.

It is an arithmetic number, because the mean of its divisors is an integer number (6206019994).

Almost surely, 2^12412039987 is an apocalyptic number.

12412039987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12412039987 is an equidigital number, since it uses as much as digits as its factorization.

12412039987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 12412039987 in words is "twelve billion, four hundred twelve million, thirty-nine thousand, nine hundred eighty-seven".