122221220200012 has 48 divisors (see below), whose sum is σ = 226187217285120. Its totient is φ = 57692935555200.

The previous prime is 122221220199979. The next prime is 122221220200033. The reversal of 122221220200012 is 210002022122221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74261439 + ... + 75889417.

It is an arithmetic number, because the mean of its divisors is an integer number (4712233693440).

Almost surely, 2^{122221220200012} is an apocalyptic number.

It is an amenable number.

122221220200012 is a deficient number, since it is larger than the sum of its proper divisors (103965997085108).

122221220200012 is a wasteful number, since it uses less digits than its factorization.

122221220200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642822 (or 1642820 counting only the distinct ones).

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

Adding to 122221220200012 its reverse (210002022122221), we get a palindrome (332223242322233).

The spelling of 122221220200012 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred thousand, twelve".