12022213109 has 2 divisors, whose sum is σ = 12022213110. Its totient is φ = 12022213108.

The previous prime is 12022213087. The next prime is 12022213129. The reversal of 12022213109 is 90131222021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10379126884 + 1643086225 = 101878^2 + 40535^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022213109 - 2¹² = 12022209013 is a prime.

It is a super-2 number, since 2×12022213109² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022213129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011106554 + 6011106555.

It is an arithmetic number, because the mean of its divisors is an integer number (6011106555).

Almost surely, 2^12022213109 is an apocalyptic number.

It is an amenable number.

12022213109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022213109 is an equidigital number, since it uses as much as digits as its factorization.

12022213109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

It can be divided in two parts, 120222 and 13109, that added together give a palindrome (133331).

The spelling of 12022213109 in words is "twelve billion, twenty-two million, two hundred thirteen thousand, one hundred nine".