120021022012220 has 96 divisors (see below), whose sum is σ = 304050925086720. Its totient is φ = 38984271499584.

The previous prime is 120021022012211. The next prime is 120021022012223. The reversal of 120021022012220 is 22210220120021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021022012223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61533764 + ... + 63454283.

It is an arithmetic number, because the mean of its divisors is an integer number (3167197136320).

Almost surely, 2^{120021022012220} is an apocalyptic number.

120021022012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120021022012220 is an abundant number, since it is smaller than the sum of its proper divisors (184029903074500).

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

120021022012220 is a wasteful number, since it uses less digits than its factorization.

120021022012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124988120 (or 124988080 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120021022012220 its reverse (22210220120021), we get a palindrome (142231242132241).

The spelling of 120021022012220 in words is "one hundred twenty trillion, twenty-one billion, twenty-two million, twelve thousand, two hundred twenty".