100002220212 has 24 divisors (see below), whose sum is σ = 245619488800. Its totient is φ = 31579648416.

The previous prime is 100002220207. The next prime is 100002220243. The reversal of 100002220212 is 212022200001.

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

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, 219302887 + ... + 219303342.

Almost surely, 2^100002220212 is an apocalyptic number.

100002220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100002220212 is an abundant number, since it is smaller than the sum of its proper divisors (145617268588).

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

100002220212 is a wasteful number, since it uses less digits than its factorization.

100002220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438606255 (or 438606253 counting only the distinct ones).

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

Adding to 100002220212 its reverse (212022200001), we get a palindrome (312024420213).

The spelling of 100002220212 in words is "one hundred billion, two million, two hundred twenty thousand, two hundred twelve".