12022011077 has 2 divisors, whose sum is σ = 12022011078. Its totient is φ = 12022011076.

The previous prime is 12022011031. The next prime is 12022011097. The reversal of 12022011077 is 77011022021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11907392641 + 114618436 = 109121^2 + 10706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022011077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022011097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011005538 + 6011005539.

It is an arithmetic number, because the mean of its divisors is an integer number (6011005539).

Almost surely, 2^12022011077 is an apocalyptic number.

It is an amenable number.

12022011077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022011077 is an equidigital number, since it uses as much as digits as its factorization.

12022011077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 23.

Adding to 12022011077 its reverse (77011022021), we get a palindrome (89033033098).

The spelling of 12022011077 in words is "twelve billion, twenty-two million, eleven thousand, seventy-seven".