120102021201220 has 96 divisors (see below), whose sum is σ = 257574322117728. Its totient is φ = 47029753331712.

The previous prime is 120102021201161. The next prime is 120102021201221. The reversal of 120102021201220 is 22102120201021.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 18453966372864 + 101648054828356 = 4295808^2 + 10082066^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120102021201194 and 120102021201203.

It is not an unprimeable number, because it can be changed into a prime (120102021201221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1438702122 + ... + 1438785598.

It is an arithmetic number, because the mean of its divisors is an integer number (2683065855393).

Almost surely, 2^{120102021201220} is an apocalyptic number.

120102021201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102021201220 is an abundant number, since it is smaller than the sum of its proper divisors (137472300916508).

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

120102021201220 is a wasteful number, since it uses less digits than its factorization.

120102021201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90889 (or 90887 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120102021201220 its reverse (22102120201021), we get a palindrome (142204141402241).

The spelling of 120102021201220 in words is "one hundred twenty trillion, one hundred two billion, twenty-one million, two hundred one thousand, two hundred twenty".