12844558194 has 16 divisors (see below), whose sum is σ = 27665202432. Its totient is φ = 3952171728.

The previous prime is 12844558183. The next prime is 12844558213. The reversal of 12844558194 is 49185544821.

It is a happy 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, 82336834 + ... + 82336989.

It is an arithmetic number, because the mean of its divisors is an integer number (1729075152).

Almost surely, 2^12844558194 is an apocalyptic number.

12844558194 is an abundant number, since it is smaller than the sum of its proper divisors (14820644238).

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

12844558194 is a wasteful number, since it uses less digits than its factorization.

12844558194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164673841.

The product of its digits is 1843200, while the sum is 51.

The spelling of 12844558194 in words is "twelve billion, eight hundred forty-four million, five hundred fifty-eight thousand, one hundred ninety-four".