12099378587 has 2 divisors, whose sum is σ = 12099378588. Its totient is φ = 12099378586.

The previous prime is 12099378553. The next prime is 12099378607. The reversal of 12099378587 is 78587399021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12099378587 - 2¹² = 12099374491 is a prime.

It is not a weakly prime, because it can be changed into another prime (12099372587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6049689293 + 6049689294.

It is an arithmetic number, because the mean of its divisors is an integer number (6049689294).

Almost surely, 2^12099378587 is an apocalyptic number.

12099378587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12099378587 is an equidigital number, since it uses as much as digits as its factorization.

12099378587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 12099378587 in words is "twelve billion, ninety-nine million, three hundred seventy-eight thousand, five hundred eighty-seven".