12011322021277 has 2 divisors, whose sum is σ = 12011322021278. Its totient is φ = 12011322021276.

The previous prime is 12011322021269. The next prime is 12011322021323. The reversal of 12011322021277 is 77212022311021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8279235097956 + 3732086923321 = 2877366^2 + 1931861^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011322021277 - 2³ = 12011322021269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011322021227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005661010638 + 6005661010639.

It is an arithmetic number, because the mean of its divisors is an integer number (6005661010639).

Almost surely, 2^{12011322021277} is an apocalyptic number.

It is an amenable number.

12011322021277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011322021277 is an equidigital number, since it uses as much as digits as its factorization.

12011322021277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

Adding to 12011322021277 its reverse (77212022311021), we get a palindrome (89223344332298).

The spelling of 12011322021277 in words is "twelve trillion, eleven billion, three hundred twenty-two million, twenty-one thousand, two hundred seventy-seven".