12268792291 has 16 divisors (see below), whose sum is σ = 14427523008. Its totient is φ = 10215504000.

The previous prime is 12268792267. The next prime is 12268792303. The reversal of 12268792291 is 19229786221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12268792291 - 2¹¹ = 12268790243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12268795291) 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, 126240 + ... + 201181.

It is an arithmetic number, because the mean of its divisors is an integer number (901720188).

Almost surely, 2^12268792291 is an apocalyptic number.

12268792291 is a deficient number, since it is larger than the sum of its proper divisors (2158730717).

12268792291 is a wasteful number, since it uses less digits than its factorization.

12268792291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327582.

The product of its digits is 435456, while the sum is 49.

The spelling of 12268792291 in words is "twelve billion, two hundred sixty-eight million, seven hundred ninety-two thousand, two hundred ninety-one".