12054406266 has 48 divisors (see below), whose sum is σ = 29895772608. Its totient is φ = 3438720000.

The previous prime is 12054406261. The next prime is 12054406297. The reversal of 12054406266 is 66260445021.

12054406266 is a `hidden beast` number, since 1 + 20 + 5 + 4 + 4 + 0 + 626 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12054406266.

It is not an unprimeable number, because it can be changed into a prime (12054406261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6141 + ... + 155391.

It is an arithmetic number, because the mean of its divisors is an integer number (622828596).

Almost surely, 2^12054406266 is an apocalyptic number.

12054406266 is an abundant number, since it is smaller than the sum of its proper divisors (17841366342).

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

12054406266 is a wasteful number, since it uses less digits than its factorization.

12054406266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149907 (or 149904 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 12054406266 in words is "twelve billion, fifty-four million, four hundred six thousand, two hundred sixty-six".