12012022047877 has 2 divisors, whose sum is σ = 12012022047878. Its totient is φ = 12012022047876.

The previous prime is 12012022047821. The next prime is 12012022047919. The reversal of 12012022047877 is 77874022021021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9555511257601 + 2456510790276 = 3091199^2 + 1567326^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012022047877 - 2³¹ = 12009874564229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012022047677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006011023938 + 6006011023939.

It is an arithmetic number, because the mean of its divisors is an integer number (6006011023939).

Almost surely, 2^{12012022047877} is an apocalyptic number.

It is an amenable number.

12012022047877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012022047877 is an equidigital number, since it uses as much as digits as its factorization.

12012022047877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 175616, while the sum is 43.

Adding to 12012022047877 its reverse (77874022021021), we get a palindrome (89886044068898).

The spelling of 12012022047877 in words is "twelve trillion, twelve billion, twenty-two million, forty-seven thousand, eight hundred seventy-seven".