120012012220 has 48 divisors (see below), whose sum is σ = 252790050240. Its totient is φ = 47859254784.

The previous prime is 120012012203. The next prime is 120012012229. The reversal of 120012012220 is 22210210021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120012012220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012012229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30543216 + ... + 30547144.

It is an arithmetic number, because the mean of its divisors is an integer number (5266459380).

Almost surely, 2^120012012220 is an apocalyptic number.

120012012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012012220 is an abundant number, since it is smaller than the sum of its proper divisors (132778038020).

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

120012012220 is a wasteful number, since it uses less digits than its factorization.

120012012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182 (or 8180 counting only the distinct ones).

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

Adding to 120012012220 its reverse (22210210021), we get a palindrome (142222222241).

The spelling of 120012012220 in words is "one hundred twenty billion, twelve million, twelve thousand, two hundred twenty".