120021120201220 has 24 divisors (see below), whose sum is σ = 288050688483264. Its totient is φ = 41150098354656.

The previous prime is 120021120201211. The next prime is 120021120201233. The reversal of 120021120201220 is 22102021120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120021120201194 and 120021120201203.

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, 428646857722 + ... + 428646858001.

It is an arithmetic number, because the mean of its divisors is an integer number (12002112020136).

Almost surely, 2^{120021120201220} is an apocalyptic number.

120021120201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021120201220 is an abundant number, since it is smaller than the sum of its proper divisors (168029568282044).

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

120021120201220 is a wasteful number, since it uses less digits than its factorization.

120021120201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857293715739 (or 857293715737 counting only the distinct ones).

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

Adding to 120021120201220 its reverse (22102021120021), we get a palindrome (142123141321241).

The spelling of 120021120201220 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty million, two hundred one thousand, two hundred twenty".