12656454095 has 4 divisors (see below), whose sum is σ = 15187744920. Its totient is φ = 10125163272.

The previous prime is 12656454091. The next prime is 12656454101. The reversal of 12656454095 is 59045465621.

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

It is a cyclic number.

It is not a de Polignac number, because 12656454095 - 2² = 12656454091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12656454091) 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, 1265645405 + ... + 1265645414.

It is an arithmetic number, because the mean of its divisors is an integer number (3796936230).

Almost surely, 2^12656454095 is an apocalyptic number.

12656454095 is a deficient number, since it is larger than the sum of its proper divisors (2531290825).

12656454095 is an equidigital number, since it uses as much as digits as its factorization.

12656454095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531290824.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 12656454095 in words is "twelve billion, six hundred fifty-six million, four hundred fifty-four thousand, ninety-five".