12730372766405 has 24 divisors (see below), whose sum is σ = 17936641215648. Its totient is φ = 8647815287328.

The previous prime is 12730372766311. The next prime is 12730372766411. The reversal of 12730372766405 is 50466727303721.

It is not a de Polignac number, because 12730372766405 - 2¹⁴ = 12730372750021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242780819 + ... + 242833248.

It is an arithmetic number, because the mean of its divisors is an integer number (747360050652).

Almost surely, 2^{12730372766405} is an apocalyptic number.

It is an amenable number.

12730372766405 is a deficient number, since it is larger than the sum of its proper divisors (5206268449243).

12730372766405 is a wasteful number, since it uses less digits than its factorization.

12730372766405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485614193 (or 485614186 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 53.

The spelling of 12730372766405 in words is "twelve trillion, seven hundred thirty billion, three hundred seventy-two million, seven hundred sixty-six thousand, four hundred five".