12026791827 has 12 divisors (see below), whose sum is σ = 17373168904. Its totient is φ = 8017336800.

The previous prime is 12026791823. The next prime is 12026791849. The reversal of 12026791827 is 72819762021.

It is a happy number.

It is not a de Polignac number, because 12026791827 - 2² = 12026791823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12026791823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143952 + ... + 211602.

Almost surely, 2^12026791827 is an apocalyptic number.

12026791827 is a deficient number, since it is larger than the sum of its proper divisors (5346377077).

12026791827 is a wasteful number, since it uses less digits than its factorization.

12026791827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87410 (or 87407 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 12026791827 in words is "twelve billion, twenty-six million, seven hundred ninety-one thousand, eight hundred twenty-seven".