12390055907 has 2 divisors, whose sum is σ = 12390055908. Its totient is φ = 12390055906.

The previous prime is 12390055901. The next prime is 12390055943. The reversal of 12390055907 is 70955009321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12390055907 - 2¹² = 12390051811 is a prime.

It is not a weakly prime, because it can be changed into another prime (12390055901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6195027953 + 6195027954.

It is an arithmetic number, because the mean of its divisors is an integer number (6195027954).

Almost surely, 2^12390055907 is an apocalyptic number.

12390055907 is a deficient number, since it is larger than the sum of its proper divisors (1).

12390055907 is an equidigital number, since it uses as much as digits as its factorization.

12390055907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 41.

The spelling of 12390055907 in words is "twelve billion, three hundred ninety million, fifty-five thousand, nine hundred seven".