12654770905 has 16 divisors (see below), whose sum is σ = 17393788800. Its totient is φ = 8658220032.

The previous prime is 12654770903. The next prime is 12654770911. The reversal of 12654770905 is 50907745621.

It is not a de Polignac number, because 12654770905 - 2¹ = 12654770903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12654770903) 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, 386919 + ... + 418348.

It is an arithmetic number, because the mean of its divisors is an integer number (1087111800).

Almost surely, 2^12654770905 is an apocalyptic number.

It is an amenable number.

12654770905 is a deficient number, since it is larger than the sum of its proper divisors (4739017895).

12654770905 is an equidigital number, since it uses as much as digits as its factorization.

12654770905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805728.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 12654770905 in words is "twelve billion, six hundred fifty-four million, seven hundred seventy thousand, nine hundred five".