120210012200020 has 24 divisors (see below), whose sum is σ = 252446134840200. Its totient is φ = 48083031695232.

The previous prime is 120210012200017. The next prime is 120210012200027. The reversal of 120210012200020 is 20002210012021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22841784958864 + 97368227241156 = 4779308^2 + 9867534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210012200027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59810755 + ... + 61787914.

It is an arithmetic number, because the mean of its divisors is an integer number (10518588951675).

Almost surely, 2^{120210012200020} is an apocalyptic number.

120210012200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210012200020 is an abundant number, since it is smaller than the sum of its proper divisors (132236122640180).

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

120210012200020 is a wasteful number, since it uses less digits than its factorization.

120210012200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121648107 (or 121648105 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120210012200020 its reverse (20002210012021), we get a palindrome (140212222212041).

The spelling of 120210012200020 in words is "one hundred twenty trillion, two hundred ten billion, twelve million, two hundred thousand, twenty".