120210221012020 has 24 divisors (see below), whose sum is σ = 252566621108424. Its totient is φ = 48060248979456.

The previous prime is 120210221011901. The next prime is 120210221012023. The reversal of 120210221012020 is 20210122012021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21318055653904 + 98892165358116 = 4617148^2 + 9944454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120210221011985 and 120210221012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210221012023) 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 7 ways as a sum of consecutive naturals, for example, 1489922737 + ... + 1490003416.

It is an arithmetic number, because the mean of its divisors is an integer number (10523609212851).

Almost surely, 2^{120210221012020} is an apocalyptic number.

120210221012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210221012020 is an abundant number, since it is smaller than the sum of its proper divisors (132356400096404).

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

120210221012020 is a wasteful number, since it uses less digits than its factorization.

120210221012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979928179 (or 2979928177 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120210221012020 its reverse (20210122012021), we get a palindrome (140420343024041).

The spelling of 120210221012020 in words is "one hundred twenty trillion, two hundred ten billion, two hundred twenty-one million, twelve thousand, twenty".