12022220213 has 2 divisors, whose sum is σ = 12022220214. Its totient is φ = 12022220212.

The previous prime is 12022220173. The next prime is 12022220263. The reversal of 12022220213 is 31202222021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10291493809 + 1730726404 = 101447^2 + 41602^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022220213 - 2⁶ = 12022220149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022220191 and 12022220200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022220263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011110106 + 6011110107.

It is an arithmetic number, because the mean of its divisors is an integer number (6011110107).

Almost surely, 2^12022220213 is an apocalyptic number.

It is an amenable number.

12022220213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022220213 is an equidigital number, since it uses as much as digits as its factorization.

12022220213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12022220213 its reverse (31202222021), we get a palindrome (43224442234).

It can be divided in two parts, 1202222021 and 3, that multiplied together give a palindrome (3606666063).

The spelling of 12022220213 in words is "twelve billion, twenty-two million, two hundred twenty thousand, two hundred thirteen".