12103698977 has 2 divisors, whose sum is σ = 12103698978. Its totient is φ = 12103698976.

The previous prime is 12103698973. The next prime is 12103698979. The reversal of 12103698977 is 77989630121.

12103698977 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., 7871415841 + 4232283136 = 88721^2 + 65056^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103698977 - 2² = 12103698973 is a prime.

Together with 12103698979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12103698973) 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, 6051849488 + 6051849489.

It is an arithmetic number, because the mean of its divisors is an integer number (6051849489).

Almost surely, 2^12103698977 is an apocalyptic number.

It is an amenable number.

12103698977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103698977 is an equidigital number, since it uses as much as digits as its factorization.

12103698977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 12103698977 in words is "twelve billion, one hundred three million, six hundred ninety-eight thousand, nine hundred seventy-seven".