12000222061 has 2 divisors, whose sum is σ = 12000222062. Its totient is φ = 12000222060.

The previous prime is 12000222049. The next prime is 12000222077. The reversal of 12000222061 is 16022200021.

It is an a-pointer prime, because the next prime (12000222077) can be obtained adding 12000222061 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10389724900 + 1610497161 = 101930^2 + 40131^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000222061 - 2²¹ = 11998124909 is a prime.

It is a super-2 number, since 2×12000222061² (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 (12000222461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000111030 + 6000111031.

It is an arithmetic number, because the mean of its divisors is an integer number (6000111031).

Almost surely, 2^12000222061 is an apocalyptic number.

It is an amenable number.

12000222061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000222061 is an equidigital number, since it uses as much as digits as its factorization.

12000222061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12000222061 its reverse (16022200021), we get a palindrome (28022422082).

The spelling of 12000222061 in words is "twelve billion, two hundred twenty-two thousand, sixty-one".