100020220212 has 48 divisors (see below), whose sum is σ = 254758694400. Its totient is φ = 30289899360.

The previous prime is 100020220187. The next prime is 100020220217. The reversal of 100020220212 is 212022020001.

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 (100020220217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31512 + ... + 448367.

It is an arithmetic number, because the mean of its divisors is an integer number (5307472800).

Almost surely, 2^100020220212 is an apocalyptic number.

100020220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100020220212 is an abundant number, since it is smaller than the sum of its proper divisors (154738474188).

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

100020220212 is a wasteful number, since it uses less digits than its factorization.

100020220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481476 (or 481474 counting only the distinct ones).

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

Adding to 100020220212 its reverse (212022020001), we get a palindrome (312042240213).

The spelling of 100020220212 in words is "one hundred billion, twenty million, two hundred twenty thousand, two hundred twelve".