201201222120120 has 256 divisors, whose sum is σ = 693062480563200. Its totient is φ = 51887028211200.

The previous prime is 201201222120097. The next prime is 201201222120149. The reversal of 201201222120120 is 21021222102102.

It is a happy number.

201201222120120 is a `hidden beast` number, since 2 + 0 + 1 + 201 + 222 + 120 + 120 = 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 = 201201222120093 and 201201222120102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16757572 + ... + 26138451.

It is an arithmetic number, because the mean of its divisors is an integer number (2707275314700).

Almost surely, 2^{201201222120120} is an apocalyptic number.

201201222120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201201222120120 is an abundant number, since it is smaller than the sum of its proper divisors (491861258443080).

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

201201222120120 is a wasteful number, since it uses less digits than its factorization.

201201222120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42896187 (or 42896177 counting only the distinct ones).

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

Adding to 201201222120120 its reverse (21021222102102), we get a palindrome (222222444222222).

The spelling of 201201222120120 in words is "two hundred one trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twenty".