122001201221200 has 240 divisors, whose sum is σ = 339288742305280. Its totient is φ = 41291218575360.

The previous prime is 122001201221161. The next prime is 122001201221227. The reversal of 122001201221200 is 2122102100221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1157486902 + ... + 1157592298.

Almost surely, 2^{122001201221200} is an apocalyptic number.

122001201221200 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 122001201221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169644371152640).

122001201221200 is an abundant number, since it is smaller than the sum of its proper divisors (217287541084080).

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

122001201221200 is a wasteful number, since it uses less digits than its factorization.

122001201221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110734 (or 110723 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122001201221200 its reverse (2122102100221), we get a palindrome (124123303321421).

The spelling of 122001201221200 in words is "one hundred twenty-two trillion, one billion, two hundred one million, two hundred twenty-one thousand, two hundred".