120121002001220 has 48 divisors (see below), whose sum is σ = 275204708908416. Its totient is φ = 43677441600000.

The previous prime is 120121002001171. The next prime is 120121002001223. The reversal of 120121002001220 is 22100200121021.

120121002001220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 120121002001195 and 120121002001204.

It is not an unprimeable number, because it can be changed into a prime (120121002001223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14970581 + ... + 21549020.

It is an arithmetic number, because the mean of its divisors is an integer number (5733431435592).

Almost surely, 2^{120121002001220} is an apocalyptic number.

120121002001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121002001220 is an abundant number, since it is smaller than the sum of its proper divisors (155083706907196).

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

120121002001220 is a wasteful number, since it uses less digits than its factorization.

120121002001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36534572 (or 36534570 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120121002001220 its reverse (22100200121021), we get a palindrome (142221202122241).

The spelling of 120121002001220 in words is "one hundred twenty trillion, one hundred twenty-one billion, two million, one thousand, two hundred twenty".