122220200120012 has 24 divisors (see below), whose sum is σ = 219103623209520. Its totient is φ = 59619186103040.

The previous prime is 122220200120009. The next prime is 122220200120033. The reversal of 122220200120012 is 210021002022221.

It is a happy 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, 21148208 + ... + 26299944.

It is an arithmetic number, because the mean of its divisors is an integer number (9129317633730).

Almost surely, 2^{122220200120012} is an apocalyptic number.

It is an amenable number.

122220200120012 is a deficient number, since it is larger than the sum of its proper divisors (96883423089508).

122220200120012 is a wasteful number, since it uses less digits than its factorization.

122220200120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296441 (or 5296439 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122220200120012 its reverse (210021002022221), we get a palindrome (332241202142233).

The spelling of 122220200120012 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred million, one hundred twenty thousand, twelve".