120210321220 has 24 divisors (see below), whose sum is σ = 275390918208. Its totient is φ = 43712844000.

The previous prime is 120210321211. The next prime is 120210321241. The reversal of 120210321220 is 22123012021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120210321194 and 120210321203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273205056 + ... + 273205495.

It is an arithmetic number, because the mean of its divisors is an integer number (11474621592).

Almost surely, 2^120210321220 is an apocalyptic number.

120210321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210321220 is an abundant number, since it is smaller than the sum of its proper divisors (155180596988).

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

120210321220 is a wasteful number, since it uses less digits than its factorization.

120210321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546410571 (or 546410569 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120210321220 its reverse (22123012021), we get a palindrome (142333333241).

The spelling of 120210321220 in words is "one hundred twenty billion, two hundred ten million, three hundred twenty-one thousand, two hundred twenty".