120012202120 has 32 divisors (see below), whose sum is σ = 270235125720. Its totient is φ = 47967961600.

The previous prime is 120012202061. The next prime is 120012202127. The reversal of 120012202120 is 21202210021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78186225924 + 41825976196 = 279618^2 + 204514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120012202120.

It is not an unprimeable number, because it can be changed into a prime (120012202127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101037 + ... + 1205116.

Almost surely, 2^120012202120 is an apocalyptic number.

120012202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012202120 is an abundant number, since it is smaller than the sum of its proper divisors (150222923600).

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

120012202120 is a wasteful number, since it uses less digits than its factorization.

120012202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307465 (or 2307461 counting only the distinct ones).

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

Adding to 120012202120 its reverse (21202210021), we get a palindrome (141214412141).

The spelling of 120012202120 in words is "one hundred twenty billion, twelve million, two hundred two thousand, one hundred twenty".