122200021202212 has 24 divisors (see below), whose sum is σ = 215561796194304. Its totient is φ = 60611061131712.

The previous prime is 122200021202201. The next prime is 122200021202239. The reversal of 122200021202212 is 212202120002221.

It is a self number, because there is not a number n which added to its sum of digits gives 122200021202212.

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, 11640313 + ... + 19490944.

It is an arithmetic number, because the mean of its divisors is an integer number (8981741508096).

Almost surely, 2^{122200021202212} is an apocalyptic number.

It is an amenable number.

122200021202212 is a deficient number, since it is larger than the sum of its proper divisors (93361774992092).

122200021202212 is a wasteful number, since it uses less digits than its factorization.

122200021202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31139115 (or 31139113 counting only the distinct ones).

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

Adding to 122200021202212 its reverse (212202120002221), we get a palindrome (334402141204433).

The spelling of 122200021202212 in words is "one hundred twenty-two trillion, two hundred billion, twenty-one million, two hundred two thousand, two hundred twelve".