222100012212 has 48 divisors (see below), whose sum is σ = 558171926592. Its totient is φ = 68329347840.

The previous prime is 222100012193. The next prime is 222100012237. The reversal of 222100012212 is 212210001222.

222100012212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222100012191 and 222100012200.

It is a congruent number.

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, 1128387 + ... + 1310517.

It is an arithmetic number, because the mean of its divisors is an integer number (11628581804).

Almost surely, 2^222100012212 is an apocalyptic number.

It is an amenable number.

222100012212 is an abundant number, since it is smaller than the sum of its proper divisors (336071914380).

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

222100012212 is a wasteful number, since it uses less digits than its factorization.

222100012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189968 (or 189966 counting only the distinct ones).

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

Adding to 222100012212 its reverse (212210001222), we get a palindrome (434310013434).

The spelling of 222100012212 in words is "two hundred twenty-two billion, one hundred million, twelve thousand, two hundred twelve".