211202212 has 12 divisors (see below), whose sum is σ = 398035036. Its totient is φ = 97477920.

The previous prime is 211202207. The next prime is 211202227. The reversal of 211202212 is 212202112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 93392896 + 117809316 = 9664^2 + 10854^2 .

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 = 211202192 and 211202201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030739 + ... + 2030842.

Almost surely, 2^211202212 is an apocalyptic number.

It is an amenable number.

211202212 is a deficient number, since it is larger than the sum of its proper divisors (186832824).

211202212 is a wasteful number, since it uses less digits than its factorization.

211202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061598 (or 4061596 counting only the distinct ones).

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

The square root of 211202212 is about 14532.7978035890. The cubic root of 211202212 is about 595.5243002386.

Adding to 211202212 its reverse (212202112), we get a palindrome (423404324).

It can be divided in two parts, 21120 and 2212, that added together give a palindrome (23332).

The spelling of 211202212 in words is "two hundred eleven million, two hundred two thousand, two hundred twelve".