121022000201200 has 180 divisors, whose sum is σ = 339229272965232. Its totient is φ = 41370129561600.

The previous prime is 121022000201177. The next prime is 121022000201213. The reversal of 121022000201200 is 2102000220121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2555916 + ... + 15766315.

Almost surely, 2^{121022000201200} is an apocalyptic number.

121022000201200 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 121022000201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169614636482616).

121022000201200 is an abundant number, since it is smaller than the sum of its proper divisors (218207272764032).

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

121022000201200 is a wasteful number, since it uses less digits than its factorization.

121022000201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18322600 (or 18322582 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121022000201200 its reverse (2102000220121), we get a palindrome (123124000421321).

The spelling of 121022000201200 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred one thousand, two hundred".