12240012265 has 32 divisors (see below), whose sum is σ = 16112960640. Its totient is φ = 8870670336.

The previous prime is 12240012251. The next prime is 12240012283. The reversal of 12240012265 is 56221004221.

It is a cyclic number.

It is not a de Polignac number, because 12240012265 - 2¹⁵ = 12239979497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2616969 + ... + 2621641.

It is an arithmetic number, because the mean of its divisors is an integer number (503530020).

Almost surely, 2^12240012265 is an apocalyptic number.

It is an amenable number.

12240012265 is a deficient number, since it is larger than the sum of its proper divisors (3872948375).

12240012265 is a wasteful number, since it uses less digits than its factorization.

12240012265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12240012265 its reverse (56221004221), we get a palindrome (68461016486).

The spelling of 12240012265 in words is "twelve billion, two hundred forty million, twelve thousand, two hundred sixty-five".