120001212201222 has 192 divisors, whose sum is σ = 311237323750080. Its totient is φ = 34127978987520.

The previous prime is 120001212201197. The next prime is 120001212201223. The reversal of 120001212201222 is 222102212100021.

It is a happy number.

120001212201222 is a `hidden beast` number, since 1 + 200 + 0 + 1 + 21 + 220 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120001212201195 and 120001212201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001212201223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37680318 + ... + 40740750.

It is an arithmetic number, because the mean of its divisors is an integer number (1621027727865).

Almost surely, 2^{120001212201222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120001212201222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155618661875040).

120001212201222 is an abundant number, since it is smaller than the sum of its proper divisors (191236111548858).

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

120001212201222 is a wasteful number, since it uses less digits than its factorization.

120001212201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060836 (or 3060819 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120001212201222 its reverse (222102212100021), we get a palindrome (342103424301243).

The spelling of 120001212201222 in words is "one hundred twenty trillion, one billion, two hundred twelve million, two hundred one thousand, two hundred twenty-two".