12200975491 has 2 divisors, whose sum is σ = 12200975492. Its totient is φ = 12200975490.

The previous prime is 12200975467. The next prime is 12200975561. The reversal of 12200975491 is 19457900221.

It is a happy number.

12200975491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12200975491 - 2⁷ = 12200975363 is a prime.

It is not a weakly prime, because it can be changed into another prime (12200975431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100487745 + 6100487746.

It is an arithmetic number, because the mean of its divisors is an integer number (6100487746).

Almost surely, 2^12200975491 is an apocalyptic number.

12200975491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200975491 is an equidigital number, since it uses as much as digits as its factorization.

12200975491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 12200975491 in words is "twelve billion, two hundred million, nine hundred seventy-five thousand, four hundred ninety-one".