12001322220044 has 6 divisors (see below), whose sum is σ = 21002313885084. Its totient is φ = 6000661110020.

The previous prime is 12001322219983. The next prime is 12001322220061. The reversal of 12001322220044 is 44002222310021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500165277502 + ... + 1500165277509.

It is an arithmetic number, because the mean of its divisors is an integer number (3500385647514).

Almost surely, 2^{12001322220044} is an apocalyptic number.

It is an amenable number.

12001322220044 is a deficient number, since it is larger than the sum of its proper divisors (9000991665040).

12001322220044 is a wasteful number, since it uses less digits than its factorization.

12001322220044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000330555015 (or 3000330555013 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12001322220044 its reverse (44002222310021), we get a palindrome (56003544530065).

The spelling of 12001322220044 in words is "twelve trillion, one billion, three hundred twenty-two million, two hundred twenty thousand, forty-four".