12140877457 has 2 divisors, whose sum is σ = 12140877458. Its totient is φ = 12140877456.

The previous prime is 12140877389. The next prime is 12140877467. The reversal of 12140877457 is 75477804121.

12140877457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8918158096 + 3222719361 = 94436^2 + 56769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12140877457 is a prime.

It is not a weakly prime, because it can be changed into another prime (12140877467) 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, 6070438728 + 6070438729.

It is an arithmetic number, because the mean of its divisors is an integer number (6070438729).

Almost surely, 2^12140877457 is an apocalyptic number.

It is an amenable number.

12140877457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140877457 is an equidigital number, since it uses as much as digits as its factorization.

12140877457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 439040, while the sum is 46.

The spelling of 12140877457 in words is "twelve billion, one hundred forty million, eight hundred seventy-seven thousand, four hundred fifty-seven".