120020221212 has 48 divisors (see below), whose sum is σ = 295961097600. Its totient is φ = 37750104000.

The previous prime is 120020221199. The next prime is 120020221219. The reversal of 120020221212 is 212122020021.

120020221212 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 = 120020221191 and 120020221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020221219) 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, 991387 + ... + 1105842.

It is an arithmetic number, because the mean of its divisors is an integer number (6165856200).

Almost surely, 2^120020221212 is an apocalyptic number.

120020221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120020221212 is an abundant number, since it is smaller than the sum of its proper divisors (175940876388).

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

120020221212 is a wasteful number, since it uses less digits than its factorization.

120020221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097506 (or 2097504 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120020221212 its reverse (212122020021), we get a palindrome (332142241233).

The spelling of 120020221212 in words is "one hundred twenty billion, twenty million, two hundred twenty-one thousand, two hundred twelve".