12200222221012 has 24 divisors (see below), whose sum is σ = 24400528923456. Its totient is φ = 5228648563008.

The previous prime is 12200222221001. The next prime is 12200222221021. The reversal of 12200222221012 is 21012222200221.

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, 10339983 + ... + 11459305.

It is an arithmetic number, because the mean of its divisors is an integer number (1016688705144).

Almost surely, 2^{12200222221012} is an apocalyptic number.

It is an amenable number.

12200222221012 is an abundant number, since it is smaller than the sum of its proper divisors (12200306702444).

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

12200222221012 is a wasteful number, since it uses less digits than its factorization.

12200222221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508607 (or 1508605 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12200222221012 its reverse (21012222200221), we get a palindrome (33212444421233).

The spelling of 12200222221012 in words is "twelve trillion, two hundred billion, two hundred twenty-two million, two hundred twenty-one thousand, twelve".