201112201212 has 48 divisors (see below), whose sum is σ = 506175519360. Its totient is φ = 61780678848.

The previous prime is 201112201207. The next prime is 201112201223. The reversal of 201112201212 is 212102211102.

It is a super-2 number, since 2×201112201212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201112201191 and 201112201200.

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 15 ways as a sum of consecutive naturals, for example, 944778 + ... + 1137905.

It is an arithmetic number, because the mean of its divisors is an integer number (10545323320).

Almost surely, 2^201112201212 is an apocalyptic number.

It is an amenable number.

201112201212 is an abundant number, since it is smaller than the sum of its proper divisors (305063318148).

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

201112201212 is a wasteful number, since it uses less digits than its factorization.

201112201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083322 (or 2083320 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201112201212 its reverse (212102211102), we get a palindrome (413214412314).

The spelling of 201112201212 in words is "two hundred one billion, one hundred twelve million, two hundred one thousand, two hundred twelve".