12254369666 has 128 divisors (see below), whose sum is σ = 24036175872. Its totient is φ = 4548960000.

The previous prime is 12254369639. The next prime is 12254369671. The reversal of 12254369666 is 66696345221.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75180101 + ... + 75180263.

It is an arithmetic number, because the mean of its divisors is an integer number (187782624).

Almost surely, 2^12254369666 is an apocalyptic number.

12254369666 is a deficient number, since it is larger than the sum of its proper divisors (11781806206).

12254369666 is a wasteful number, since it uses less digits than its factorization.

12254369666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its digits is 2799360, while the sum is 50.

The spelling of 12254369666 in words is "twelve billion, two hundred fifty-four million, three hundred sixty-nine thousand, six hundred sixty-six".