12365555097 has 16 divisors (see below), whose sum is σ = 18925765632. Its totient is φ = 7034900880.

The previous prime is 12365555089. The next prime is 12365555117. The reversal of 12365555097 is 79055556321.

It is a happy number.

It is not a de Polignac number, because 12365555097 - 2³ = 12365555089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12365555017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292229 + ... + 1301762.

It is an arithmetic number, because the mean of its divisors is an integer number (1182860352).

Almost surely, 2^12365555097 is an apocalyptic number.

It is an amenable number.

12365555097 is a deficient number, since it is larger than the sum of its proper divisors (6560210535).

12365555097 is a wasteful number, since it uses less digits than its factorization.

12365555097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594228.

The product of its (nonzero) digits is 1417500, while the sum is 48.

The spelling of 12365555097 in words is "twelve billion, three hundred sixty-five million, five hundred fifty-five thousand, ninety-seven".