120100220212 has 96 divisors (see below), whose sum is σ = 263116062720. Its totient is φ = 46777167360.

The previous prime is 120100220159. The next prime is 120100220249. The reversal of 120100220212 is 212022001021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120100220192 and 120100220201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6823239 + ... + 6840817.

It is an arithmetic number, because the mean of its divisors is an integer number (2740792320).

Almost surely, 2^120100220212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120100220212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131558031360).

120100220212 is an abundant number, since it is smaller than the sum of its proper divisors (143015842508).

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

120100220212 is a wasteful number, since it uses less digits than its factorization.

120100220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18101 (or 18099 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120100220212 its reverse (212022001021), we get a palindrome (332122221233).

The spelling of 120100220212 in words is "one hundred twenty billion, one hundred million, two hundred twenty thousand, two hundred twelve".