12002201077 has 2 divisors, whose sum is σ = 12002201078. Its totient is φ = 12002201076.

The previous prime is 12002201063. The next prime is 12002201117. The reversal of 12002201077 is 77010220021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6756675601 + 5245525476 = 82199^2 + 72426^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002201077 - 2¹⁵ = 12002168309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002201047) 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, 6001100538 + 6001100539.

It is an arithmetic number, because the mean of its divisors is an integer number (6001100539).

Almost surely, 2^12002201077 is an apocalyptic number.

It is an amenable number.

12002201077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002201077 is an equidigital number, since it uses as much as digits as its factorization.

12002201077 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 22.

Adding to 12002201077 its reverse (77010220021), we get a palindrome (89012421098).

The spelling of 12002201077 in words is "twelve billion, two million, two hundred one thousand, seventy-seven".