12266948065 has 16 divisors (see below), whose sum is σ = 15214687488. Its totient is φ = 9489024256.

The previous prime is 12266948027. The next prime is 12266948123. The reversal of 12266948065 is 56084966221.

It is a cyclic number.

It is not a de Polignac number, because 12266948065 - 2¹³ = 12266939873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294952 + ... + 333961.

It is an arithmetic number, because the mean of its divisors is an integer number (950917968).

Almost surely, 2^12266948065 is an apocalyptic number.

It is an amenable number.

12266948065 is a deficient number, since it is larger than the sum of its proper divisors (2947739423).

12266948065 is an equidigital number, since it uses as much as digits as its factorization.

12266948065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629048.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 12266948065 in words is "twelve billion, two hundred sixty-six million, nine hundred forty-eight thousand, sixty-five".