120101220201220 has 24 divisors (see below), whose sum is σ = 252282485657664. Its totient is φ = 48027169369056.

The previous prime is 120101220201211. The next prime is 120101220201257. The reversal of 120101220201220 is 22102022101021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120101220201194 and 120101220201203.

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 7 ways as a sum of consecutive naturals, for example, 832345522 + ... + 832489801.

It is an arithmetic number, because the mean of its divisors is an integer number (10511770235736).

Almost surely, 2^{120101220201220} is an apocalyptic number.

120101220201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101220201220 is an abundant number, since it is smaller than the sum of its proper divisors (132181265456444).

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

120101220201220 is a wasteful number, since it uses less digits than its factorization.

120101220201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664838939 (or 1664838937 counting only the distinct ones).

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

Adding to 120101220201220 its reverse (22102022101021), we get a palindrome (142203242302241).

The spelling of 120101220201220 in words is "one hundred twenty trillion, one hundred one billion, two hundred twenty million, two hundred one thousand, two hundred twenty".