120202212121212 has 96 divisors (see below), whose sum is σ = 304855095283200. Its totient is φ = 36641480101632.

The previous prime is 120202212121151. The next prime is 120202212121213. The reversal of 120202212121212 is 212121212202021.

120202212121212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202212121213) 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, 139325833 + ... + 140185919.

It is an arithmetic number, because the mean of its divisors is an integer number (3175573909200).

Almost surely, 2^{120202212121212} is an apocalyptic number.

120202212121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120202212121212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152427547641600).

120202212121212 is an abundant number, since it is smaller than the sum of its proper divisors (184652883161988).

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

120202212121212 is a wasteful number, since it uses less digits than its factorization.

120202212121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868435 (or 868433 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120202212121212 its reverse (212121212202021), we get a palindrome (332323424323233).

The spelling of 120202212121212 in words is "one hundred twenty trillion, two hundred two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twelve".