12212022220213 has 8 divisors (see below), whose sum is σ = 12510344732760. Its totient is φ = 11913722008320.

The previous prime is 12212022220193. The next prime is 12212022220241. The reversal of 12212022220213 is 31202222021221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 177631060369 + 12034391159844 = 421463^2 + 3469062^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12212022220213 - 2³⁷ = 12074583266741 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 (12212022220283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4463898 + ... + 6659611.

It is an arithmetic number, because the mean of its divisors is an integer number (1563793091595).

Almost surely, 2^{12212022220213} is an apocalyptic number.

It is an amenable number.

12212022220213 is a deficient number, since it is larger than the sum of its proper divisors (298322512547).

12212022220213 is a wasteful number, since it uses less digits than its factorization.

12212022220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11150327.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12212022220213 its reverse (31202222021221), we get a palindrome (43414244241434).

The spelling of 12212022220213 in words is "twelve trillion, two hundred twelve billion, twenty-two million, two hundred twenty thousand, two hundred thirteen".