12212339825894 has 32 divisors (see below), whose sum is σ = 20589152935680. Its totient is φ = 5390404522272.

The previous prime is 12212339825831. The next prime is 12212339825899. The reversal of 12212339825894 is 49852893321221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212339825899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356269 + ... + 5124855.

It is an arithmetic number, because the mean of its divisors is an integer number (643411029240).

Almost surely, 2^{12212339825894} is an apocalyptic number.

12212339825894 is a deficient number, since it is larger than the sum of its proper divisors (8376813109786).

12212339825894 is a wasteful number, since it uses less digits than its factorization.

12212339825894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774044.

The product of its digits is 14929920, while the sum is 59.

The spelling of 12212339825894 in words is "twelve trillion, two hundred twelve billion, three hundred thirty-nine million, eight hundred twenty-five thousand, eight hundred ninety-four".