120221012122220 has 24 divisors (see below), whose sum is σ = 252472001787600. Its totient is φ = 48086904595392.

The previous prime is 120221012122213. The next prime is 120221012122231. The reversal of 120221012122220 is 22221210122021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120221012122192 and 120221012122201.

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, 93108635 + ... + 94390994.

It is an arithmetic number, because the mean of its divisors is an integer number (10519666741150).

Almost surely, 2^{120221012122220} is an apocalyptic number.

120221012122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221012122220 is an abundant number, since it is smaller than the sum of its proper divisors (132250989665380).

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

120221012122220 is a wasteful number, since it uses less digits than its factorization.

120221012122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187531697 (or 187531695 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120221012122220 its reverse (22221210122021), we get a palindrome (142442222244241).

The spelling of 120221012122220 in words is "one hundred twenty trillion, two hundred twenty-one billion, twelve million, one hundred twenty-two thousand, two hundred twenty".