12650877820947 has 4 divisors (see below), whose sum is σ = 16867837094600. Its totient is φ = 8433918547296.

The previous prime is 12650877820901. The next prime is 12650877820951. The reversal of 12650877820947 is 74902877805621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12650877820947 - 2³⁹ = 12101122007059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12650877820957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108479636822 + ... + 2108479636827.

It is an arithmetic number, because the mean of its divisors is an integer number (4216959273650).

Almost surely, 2^{12650877820947} is an apocalyptic number.

12650877820947 is a deficient number, since it is larger than the sum of its proper divisors (4216959273653).

12650877820947 is an equidigital number, since it uses as much as digits as its factorization.

12650877820947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4216959273652.

The product of its (nonzero) digits is 94832640, while the sum is 66.

The spelling of 12650877820947 in words is "twelve trillion, six hundred fifty billion, eight hundred seventy-seven million, eight hundred twenty thousand, nine hundred forty-seven".