120212230100020 has 96 divisors (see below), whose sum is σ = 259046130575232. Its totient is φ = 46834161389568.

The previous prime is 120212230099889. The next prime is 120212230100033. The reversal of 120212230100020 is 20001032212021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120212230099967 and 120212230100003.

It is a congruent number.

It is an unprimeable number.

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, 450178864 + ... + 450445816.

It is an arithmetic number, because the mean of its divisors is an integer number (2698397193492).

Almost surely, 2^{120212230100020} is an apocalyptic number.

120212230100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120212230100020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129523065287616).

120212230100020 is an abundant number, since it is smaller than the sum of its proper divisors (138833900475212).

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

120212230100020 is a wasteful number, since it uses less digits than its factorization.

120212230100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268481 (or 268479 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120212230100020 its reverse (20001032212021), we get a palindrome (140213262312041).

The spelling of 120212230100020 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred thirty million, one hundred thousand, twenty".