222000100212 has 72 divisors (see below), whose sum is σ = 569532442528. Its totient is φ = 67253820480.

The previous prime is 222000100183. The next prime is 222000100213. The reversal of 222000100212 is 212001000222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000100213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5653398 + ... + 5692530.

Almost surely, 2^222000100212 is an apocalyptic number.

222000100212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222000100212 is an abundant number, since it is smaller than the sum of its proper divisors (347532342316).

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

222000100212 is a wasteful number, since it uses less digits than its factorization.

222000100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43069 (or 43056 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 222000100212 its reverse (212001000222), we get a palindrome (434001100434).

The spelling of 222000100212 in words is "two hundred twenty-two billion, one hundred thousand, two hundred twelve".