212212202 has 4 divisors (see below), whose sum is σ = 318318306. Its totient is φ = 106106100.

The previous prime is 212212201. The next prime is 212212213. The reversal of 212212202 is 202212212.

212212202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 167469481 + 44742721 = 12941^2 + 6689^2 .

It is not an unprimeable number, because it can be changed into a prime (212212201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53053049 + ... + 53053052.

Almost surely, 2^212212202 is an apocalyptic number.

212212202 is a deficient number, since it is larger than the sum of its proper divisors (106106104).

212212202 is a wasteful number, since it uses less digits than its factorization.

212212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106106103.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 212212202 is about 14567.5050025734. The cubic root of 212212202 is about 596.4720765467.

Adding to 212212202 its reverse (202212212), we get a palindrome (414424414).

It can be divided in two parts, 212212 and 202, that multiplied together give a palindrome (42866824).

The spelling of 212212202 in words is "two hundred twelve million, two hundred twelve thousand, two hundred two".