222120102012 has 24 divisors (see below), whose sum is σ = 518670840576. Its totient is φ = 73984233648.

The previous prime is 222120102007. The next prime is 222120102041. The reversal of 222120102012 is 210201021222.

It is a junction number, because it is equal to n+sod(n) for n = 222120101982 and 222120102000.

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, 6958458 + ... + 6990305.

It is an arithmetic number, because the mean of its divisors is an integer number (21611285024).

Almost surely, 2^222120102012 is an apocalyptic number.

It is an amenable number.

222120102012 is an abundant number, since it is smaller than the sum of its proper divisors (296550738564).

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

222120102012 is a wasteful number, since it uses less digits than its factorization.

222120102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13950097 (or 13950095 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222120102012 its reverse (210201021222), we get a palindrome (432321123234).

The spelling of 222120102012 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred two thousand, twelve".