12210226213 has 4 divisors (see below), whose sum is σ = 12228369868. Its totient is φ = 12192082560.

The previous prime is 12210226079. The next prime is 12210226283. The reversal of 12210226213 is 31262201221.

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 2 ways, for example, as 8427607204 + 3782619009 = 91802^2 + 61503^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210226213 - 2³³ = 3620291621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210226283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9070818 + ... + 9072163.

It is an arithmetic number, because the mean of its divisors is an integer number (3057092467).

Almost surely, 2^12210226213 is an apocalyptic number.

It is an amenable number.

12210226213 is a deficient number, since it is larger than the sum of its proper divisors (18143655).

12210226213 is an equidigital number, since it uses as much as digits as its factorization.

12210226213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143654.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12210226213 its reverse (31262201221), we get a palindrome (43472427434).

The spelling of 12210226213 in words is "twelve billion, two hundred ten million, two hundred twenty-six thousand, two hundred thirteen".