120121200222020 has 12 divisors (see below), whose sum is σ = 252254520466284. Its totient is φ = 48048480088800.

The previous prime is 120121200221987. The next prime is 120121200222031. The reversal of 120121200222020 is 20222002121021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14259490078276 + 105861710143744 = 3776174^2 + 10288912^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120121200222020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003030005531 + ... + 3003030005570.

It is an arithmetic number, because the mean of its divisors is an integer number (21021210038857).

Almost surely, 2^{120121200222020} is an apocalyptic number.

120121200222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121200222020 is an abundant number, since it is smaller than the sum of its proper divisors (132133320244264).

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

120121200222020 is a wasteful number, since it uses less digits than its factorization.

120121200222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006060011110 (or 6006060011108 counting only the distinct ones).

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

Adding to 120121200222020 its reverse (20222002121021), we get a palindrome (140343202343041).

The spelling of 120121200222020 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred million, two hundred twenty-two thousand, twenty".