12265641792 has 42 divisors (see below), whose sum is σ = 35157249218. Its totient is φ = 4088547072.

The previous prime is 12265641781. The next prime is 12265641793. The reversal of 12265641792 is 29714656221.

12265641792 is a `hidden beast` number, since 1 + 226 + 5 + 6 + 417 + 9 + 2 = 666.

12265641792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12193459776 + 72182016 = 110424^2 + 8496^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265641793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10646683 + ... + 10647834.

Almost surely, 2^12265641792 is an apocalyptic number.

12265641792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12265641792 is an abundant number, since it is smaller than the sum of its proper divisors (22891607426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12265641792 is a wasteful number, since it uses less digits than its factorization.

12265641792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21294535 (or 21294522 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 12265641792 in words is "twelve billion, two hundred sixty-five million, six hundred forty-one thousand, seven hundred ninety-two".