12292281265 has 16 divisors (see below), whose sum is σ = 16097590080. Its totient is φ = 8936576320.

The previous prime is 12292281259. The next prime is 12292281269. The reversal of 12292281265 is 56218229221.

It is not a de Polignac number, because 12292281265 - 2³ = 12292281257 is a prime.

It is a super-2 number, since 2×12292281265² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12292281269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116646 + ... + 195424.

It is an arithmetic number, because the mean of its divisors is an integer number (1006099380).

Almost surely, 2^12292281265 is an apocalyptic number.

It is an amenable number.

12292281265 is a deficient number, since it is larger than the sum of its proper divisors (3805308815).

12292281265 is a wasteful number, since it uses less digits than its factorization.

12292281265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81632.

The product of its digits is 69120, while the sum is 40.

The spelling of 12292281265 in words is "twelve billion, two hundred ninety-two million, two hundred eighty-one thousand, two hundred sixty-five".