12011022099977 has 2 divisors, whose sum is σ = 12011022099978. Its totient is φ = 12011022099976.

The previous prime is 12011022099943. The next prime is 12011022100019. The reversal of 12011022099977 is 77999022011021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8783523617401 + 3227498482576 = 2963701^2 + 1796524^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011022099977 - 2²² = 12011017905673 is a prime.

It is a super-2 number, since 2×12011022099977² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12011022099907) 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, 6005511049988 + 6005511049989.

It is an arithmetic number, because the mean of its divisors is an integer number (6005511049989).

Almost surely, 2^{12011022099977} is an apocalyptic number.

It is an amenable number.

12011022099977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011022099977 is an equidigital number, since it uses as much as digits as its factorization.

12011022099977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 50.

The spelling of 12011022099977 in words is "twelve trillion, eleven billion, twenty-two million, ninety-nine thousand, nine hundred seventy-seven".