210022221001212 has 108 divisors (see below), whose sum is σ = 552809213840520. Its totient is φ = 67182226142976.

The previous prime is 210022221001207. The next prime is 210022221001217. The reversal of 210022221001212 is 212100122220012.

It is a happy number.

210022221001212 is a `hidden beast` number, since 21 + 0 + 0 + 222 + 210 + 0 + 1 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (210022221001207) and next prime (210022221001217).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022221001217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7695762 + ... + 21892217.

Almost surely, 2^{210022221001212} is an apocalyptic number.

It is an amenable number.

210022221001212 is an abundant number, since it is smaller than the sum of its proper divisors (342786992839308).

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

210022221001212 is a wasteful number, since it uses less digits than its factorization.

210022221001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29588172 (or 29588094 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210022221001212 its reverse (212100122220012), we get a palindrome (422122343221224).

The spelling of 210022221001212 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-one million, one thousand, two hundred twelve".