120112021221210 has 24 divisors (see below), whose sum is σ = 312291255175380. Its totient is φ = 32029872325632.

The previous prime is 120112021221149. The next prime is 120112021221263. The reversal of 120112021221210 is 12122120211021.

120112021221210 is a `hidden beast` number, since 1 + 20 + 11 + 202 + 1 + 221 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120076076473929 + 35944747281 = 10957923^2 + 189591^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667289006695 + ... + 667289006874.

Almost surely, 2^{120112021221210} is an apocalyptic number.

120112021221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120112021221210 is an abundant number, since it is smaller than the sum of its proper divisors (192179233954170).

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

120112021221210 is a wasteful number, since it uses less digits than its factorization.

120112021221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334578013582 (or 1334578013579 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120112021221210 its reverse (12122120211021), we get a palindrome (132234141432231).

The spelling of 120112021221210 in words is "one hundred twenty trillion, one hundred twelve billion, twenty-one million, two hundred twenty-one thousand, two hundred ten".