120012221222200 has 96 divisors (see below), whose sum is σ = 280870863962400. Its totient is φ = 47688361909760.

The previous prime is 120012221222191. The next prime is 120012221222209. The reversal of 120012221222200 is 2222122210021.

It is an interprime number because it is at equal distance from previous prime (120012221222191) and next prime (120012221222209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012221222209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40897746 + ... + 43733854.

It is an arithmetic number, because the mean of its divisors is an integer number (2925738166275).

Almost surely, 2^{120012221222200} is an apocalyptic number.

120012221222200 is a gapful number since it is divisible by the number (10) 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 120012221222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140435431981200).

120012221222200 is an abundant number, since it is smaller than the sum of its proper divisors (160858642740200).

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

120012221222200 is a wasteful number, since it uses less digits than its factorization.

120012221222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837521 (or 2837512 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 120012221222200 its reverse (2222122210021), we get a palindrome (122234343432221).

The spelling of 120012221222200 in words is "one hundred twenty trillion, twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred".