120210211220 has 36 divisors (see below), whose sum is σ = 277476964212. Its totient is φ = 43712803200.

The previous prime is 120210211217. The next prime is 120210211267. The reversal of 120210211220 is 22112012021.

It can be written as a sum of positive squares in 2 ways, for example, as 93325362064 + 26884849156 = 305492^2 + 163966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120210211195 and 120210211204.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24834401 + ... + 24839240.

Almost surely, 2^120210211220 is an apocalyptic number.

120210211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210211220 is an abundant number, since it is smaller than the sum of its proper divisors (157266752992).

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

120210211220 is a wasteful number, since it uses less digits than its factorization.

120210211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49673672 (or 49673659 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120210211220 its reverse (22112012021), we get a palindrome (142322223241).

The spelling of 120210211220 in words is "one hundred twenty billion, two hundred ten million, two hundred eleven thousand, two hundred twenty".