12477295509 has 48 divisors (see below), whose sum is σ = 19652193792. Its totient is φ = 6894248256.

The previous prime is 12477295499. The next prime is 12477295529. The reversal of 12477295509 is 90559277421.

It is not a de Polignac number, because 12477295509 - 2⁵ = 12477295477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477295529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10727962 + ... + 10729124.

It is an arithmetic number, because the mean of its divisors is an integer number (409420704).

Almost surely, 2^12477295509 is an apocalyptic number.

It is an amenable number.

12477295509 is a deficient number, since it is larger than the sum of its proper divisors (7174898283).

12477295509 is a wasteful number, since it uses less digits than its factorization.

12477295509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 12477295509 in words is "twelve billion, four hundred seventy-seven million, two hundred ninety-five thousand, five hundred nine".