12212142044444 has 12 divisors (see below), whose sum is σ = 22628380847184. Its totient is φ = 5746890373824.

The previous prime is 12212142044381. The next prime is 12212142044467. The reversal of 12212142044444 is 44444024121221.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 89795162024 + ... + 89795162159.

It is an arithmetic number, because the mean of its divisors is an integer number (1885698403932).

Almost surely, 2^{12212142044444} is an apocalyptic number.

It is an amenable number.

12212142044444 is a deficient number, since it is larger than the sum of its proper divisors (10416238802740).

12212142044444 is a wasteful number, since it uses less digits than its factorization.

12212142044444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179590324204 (or 179590324202 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 35.

Adding to 12212142044444 its reverse (44444024121221), we get a palindrome (56656166165665).

The spelling of 12212142044444 in words is "twelve trillion, two hundred twelve billion, one hundred forty-two million, forty-four thousand, four hundred forty-four".