201200020112 has 80 divisors (see below), whose sum is σ = 496329066240. Its totient is φ = 76850919936.

The previous prime is 201200020111. The next prime is 201200020121. The reversal of 201200020112 is 211020002102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201200020093 and 201200020102.

It is not an unprimeable number, because it can be changed into a prime (201200020111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2340308 + ... + 2424755.

It is an arithmetic number, because the mean of its divisors is an integer number (6204113328).

Almost surely, 2^201200020112 is an apocalyptic number.

It is an amenable number.

201200020112 is an abundant number, since it is smaller than the sum of its proper divisors (295129046128).

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

201200020112 is a wasteful number, since it uses less digits than its factorization.

201200020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765120 (or 4765114 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201200020112 its reverse (211020002102), we get a palindrome (412220022214).

The spelling of 201200020112 in words is "two hundred one billion, two hundred million, twenty thousand, one hundred twelve".