120000121020220 has 96 divisors (see below), whose sum is σ = 302077361037312. Its totient is φ = 39179206441728.

The previous prime is 120000121020193. The next prime is 120000121020223. The reversal of 120000121020220 is 22020121000021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120000121020220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000121020223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246203844 + ... + 246690763.

It is an arithmetic number, because the mean of its divisors is an integer number (3146639177472).

Almost surely, 2^{120000121020220} is an apocalyptic number.

120000121020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120000121020220 is an abundant number, since it is smaller than the sum of its proper divisors (182077240017092).

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

120000121020220 is a wasteful number, since it uses less digits than its factorization.

120000121020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492894707 (or 492894705 counting only the distinct ones).

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

Adding to 120000121020220 its reverse (22020121000021), we get a palindrome (142020242020241).

The spelling of 120000121020220 in words is "one hundred twenty trillion, one hundred twenty-one million, twenty thousand, two hundred twenty".