212202203313 has 4 divisors (see below), whose sum is σ = 282936271088. Its totient is φ = 141468135540.

The previous prime is 212202203309. The next prime is 212202203329. The reversal of 212202203313 is 313302202212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212202203313 - 2² = 212202203309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212202203313.

It is not an unprimeable number, because it can be changed into a prime (212202203303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35367033883 + ... + 35367033888.

It is an arithmetic number, because the mean of its divisors is an integer number (70734067772).

Almost surely, 2^212202203313 is an apocalyptic number.

It is an amenable number.

212202203313 is a deficient number, since it is larger than the sum of its proper divisors (70734067775).

212202203313 is an equidigital number, since it uses as much as digits as its factorization.

212202203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70734067774.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212202203313 its reverse (313302202212), we get a palindrome (525504405525).

The spelling of 212202203313 in words is "two hundred twelve billion, two hundred two million, two hundred three thousand, three hundred thirteen".