201201201220120 has 32 divisors (see below), whose sum is σ = 455203822666320. Its totient is φ = 80035836946560.

The previous prime is 201201201220093. The next prime is 201201201220157. The reversal of 201201201220120 is 21022102102102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201201201220094 and 201201201220103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13895103342 + ... + 13895117821.

Almost surely, 2^{201201201220120} is an apocalyptic number.

201201201220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201201201220120 is an abundant number, since it is smaller than the sum of its proper divisors (254002621446200).

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

201201201220120 is a wasteful number, since it uses less digits than its factorization.

201201201220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27790221355 (or 27790221351 counting only the distinct ones).

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

Adding to 201201201220120 its reverse (21022102102102), we get a palindrome (222223303322222).

The spelling of 201201201220120 in words is "two hundred one trillion, two hundred one billion, two hundred one million, two hundred twenty thousand, one hundred twenty".