12240476771 has 4 divisors (see below), whose sum is σ = 12242090544. Its totient is φ = 12238863000.

The previous prime is 12240476737. The next prime is 12240476777. The reversal of 12240476771 is 17767404221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12240476771 - 2¹⁸ = 12240214627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12240476777) 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 3 ways as a sum of consecutive naturals, for example, 795455 + ... + 810696.

It is an arithmetic number, because the mean of its divisors is an integer number (3060522636).

Almost surely, 2^12240476771 is an apocalyptic number.

12240476771 is a deficient number, since it is larger than the sum of its proper divisors (1613773).

12240476771 is an equidigital number, since it uses as much as digits as its factorization.

12240476771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613772.

The product of its (nonzero) digits is 131712, while the sum is 41.

The spelling of 12240476771 in words is "twelve billion, two hundred forty million, four hundred seventy-six thousand, seven hundred seventy-one".