12090987959 has 2 divisors, whose sum is σ = 12090987960. Its totient is φ = 12090987958.

The previous prime is 12090987907. The next prime is 12090987977. The reversal of 12090987959 is 95978909021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12090987959 - 2⁸ = 12090987703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12090987898 and 12090987907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12090987059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6045493979 + 6045493980.

It is an arithmetic number, because the mean of its divisors is an integer number (6045493980).

Almost surely, 2^12090987959 is an apocalyptic number.

12090987959 is a deficient number, since it is larger than the sum of its proper divisors (1).

12090987959 is an equidigital number, since it uses as much as digits as its factorization.

12090987959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 59.

The spelling of 12090987959 in words is "twelve billion, ninety million, nine hundred eighty-seven thousand, nine hundred fifty-nine".