120021010220120 has 128 divisors (see below), whose sum is σ = 272242620000000. Its totient is φ = 47619810373632.

The previous prime is 120021010220081. The next prime is 120021010220143. The reversal of 120021010220120 is 21022010120021.

It is a junction number, because it is equal to n+sod(n) for n = 120021010220095 and 120021010220104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12311105006 + ... + 12311114754.

It is an arithmetic number, because the mean of its divisors is an integer number (2126895468750).

Almost surely, 2^{120021010220120} is an apocalyptic number.

120021010220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021010220120 is an abundant number, since it is smaller than the sum of its proper divisors (152221609779880).

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

120021010220120 is a wasteful number, since it uses less digits than its factorization.

120021010220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14925 (or 14921 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120021010220120 its reverse (21022010120021), we get a palindrome (141043020340141).

The spelling of 120021010220120 in words is "one hundred twenty trillion, twenty-one billion, ten million, two hundred twenty thousand, one hundred twenty".