12254683793838 has 16 divisors (see below), whose sum is σ = 24509819866320. Its totient is φ = 4084819218176.

The previous prime is 12254683793797. The next prime is 12254683793893. The reversal of 12254683793838 is 83839738645221.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18492195 + ... + 19143422.

It is an arithmetic number, because the mean of its divisors is an integer number (1531863741645).

Almost surely, 2^{12254683793838} is an apocalyptic number.

12254683793838 is an abundant number, since it is smaller than the sum of its proper divisors (12255136072482).

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

12254683793838 is a wasteful number, since it uses less digits than its factorization.

12254683793838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37689891.

The product of its digits is 418037760, while the sum is 69.

The spelling of 12254683793838 in words is "twelve trillion, two hundred fifty-four billion, six hundred eighty-three million, seven hundred ninety-three thousand, eight hundred thirty-eight".