120122121200220 has 120 divisors (see below), whose sum is σ = 377601318841824. Its totient is φ = 31966790154624.

The previous prime is 120122121200209. The next prime is 120122121200281. The reversal of 120122121200220 is 22002121221021.

It is a happy number.

120122121200220 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 221 + 21 + 200 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 120122121200193 and 120122121200202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 75339867 + ... + 76917746.

Almost surely, 2^{120122121200220} is an apocalyptic number.

120122121200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122121200220 is an abundant number, since it is smaller than the sum of its proper divisors (257479197641604).

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

120122121200220 is a wasteful number, since it uses less digits than its factorization.

120122121200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152258121 (or 152258110 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120122121200220 its reverse (22002121221021), we get a palindrome (142124242421241).

The spelling of 120122121200220 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred thousand, two hundred twenty".