201112200221212 has 48 divisors (see below), whose sum is σ = 402874539379200. Its totient is φ = 86051735467200.

The previous prime is 201112200221029. The next prime is 201112200221239. The reversal of 201112200221212 is 212122002211102.

It is a super-2 number, since 2×201112200221212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201112200221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42467787 + ... + 46965277.

It is an arithmetic number, because the mean of its divisors is an integer number (8393219570400).

Almost surely, 2^{201112200221212} is an apocalyptic number.

It is an amenable number.

201112200221212 is an abundant number, since it is smaller than the sum of its proper divisors (201762339157988).

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

201112200221212 is a wasteful number, since it uses less digits than its factorization.

201112200221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500082 (or 4500080 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201112200221212 its reverse (212122002211102), we get a palindrome (413234202432314).

The spelling of 201112200221212 in words is "two hundred one trillion, one hundred twelve billion, two hundred million, two hundred twenty-one thousand, two hundred twelve".