2211200212 has 24 divisors (see below), whose sum is σ = 4169889416. Its totient is φ = 1019910528.

The previous prime is 2211200191. The next prime is 2211200239. The reversal of 2211200212 is 2120021122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72692676 + 2138507536 = 8526^2 + 46244^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2211200192 and 2211200201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75478 + ... + 100594.

Almost surely, 2^2211200212 is an apocalyptic number.

It is an amenable number.

2211200212 is a deficient number, since it is larger than the sum of its proper divisors (1958689204).

2211200212 is a wasteful number, since it uses less digits than its factorization.

2211200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26827 (or 26825 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2211200212 is about 47023.4006851908. The cubic root of 2211200212 is about 1302.7948179960.

Adding to 2211200212 its reverse (2120021122), we get a palindrome (4331221334).

The spelling of 2211200212 in words is "two billion, two hundred eleven million, two hundred thousand, two hundred twelve".