12074294771 has 18 divisors (see below), whose sum is σ = 15325719732. Its totient is φ = 9406553520.

The previous prime is 12074294741. The next prime is 12074294801. The reversal of 12074294771 is 17749247021.

It is an interprime number because it is at equal distance from previous prime (12074294741) and next prime (12074294801).

It is not a de Polignac number, because 12074294771 - 2²² = 12070100467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12074294711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2548721 + ... + 2553453.

It is an arithmetic number, because the mean of its divisors is an integer number (851428874).

Almost surely, 2^12074294771 is an apocalyptic number.

12074294771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12074294771 is a deficient number, since it is larger than the sum of its proper divisors (3251424961).

12074294771 is an frugal number, since it uses more digits than its factorization.

12074294771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9491 (or 4751 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

Multiplying 12074294771 by its sum of digits (44), we get a square (531268969924 = 728882²).

The spelling of 12074294771 in words is "twelve billion, seventy-four million, two hundred ninety-four thousand, seven hundred seventy-one".