12041644227 has 32 divisors (see below), whose sum is σ = 16876919808. Its totient is φ = 7622393856.

The previous prime is 12041644213. The next prime is 12041644229. The reversal of 12041644227 is 72244614021.

It is not a de Polignac number, because 12041644227 - 2¹⁰ = 12041643203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12041644229) 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 31 ways as a sum of consecutive naturals, for example, 9893923 + ... + 9895139.

It is an arithmetic number, because the mean of its divisors is an integer number (527403744).

Almost surely, 2^12041644227 is an apocalyptic number.

12041644227 is a deficient number, since it is larger than the sum of its proper divisors (4835275581).

12041644227 is a wasteful number, since it uses less digits than its factorization.

12041644227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179.

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 12041644227 in words is "twelve billion, forty-one million, six hundred forty-four thousand, two hundred twenty-seven".