12022209077 has 2 divisors, whose sum is σ = 12022209078. Its totient is φ = 12022209076.

The previous prime is 12022209047. The next prime is 12022209091. The reversal of 12022209077 is 77090222021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9573839716 + 2448369361 = 97846^2 + 49481^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022209077 - 2⁶ = 12022209013 is a prime.

It is a super-2 number, since 2×12022209077² (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 (12022209047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011104538 + 6011104539.

It is an arithmetic number, because the mean of its divisors is an integer number (6011104539).

Almost surely, 2^12022209077 is an apocalyptic number.

It is an amenable number.

12022209077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022209077 is an equidigital number, since it uses as much as digits as its factorization.

12022209077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 12022209077 in words is "twelve billion, twenty-two million, two hundred nine thousand, seventy-seven".