212212201202 has 4 divisors (see below), whose sum is σ = 318318301806. Its totient is φ = 106106100600.

The previous prime is 212212201181. The next prime is 212212201217. The reversal of 212212201202 is 202102212212.

It is a happy number.

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., 212208556921 + 3644281 = 460661^2 + 1909^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53053050299 + ... + 53053050302.

Almost surely, 2^212212201202 is an apocalyptic number.

212212201202 is a deficient number, since it is larger than the sum of its proper divisors (106106100604).

212212201202 is a wasteful number, since it uses less digits than its factorization.

212212201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106106100603.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212212201202 its reverse (202102212212), we get a palindrome (414314413414).

The spelling of 212212201202 in words is "two hundred twelve billion, two hundred twelve million, two hundred one thousand, two hundred two".