12777100403 has 2 divisors, whose sum is σ = 12777100404. Its totient is φ = 12777100402.

The previous prime is 12777100393. The next prime is 12777100463. The reversal of 12777100403 is 30400177721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12777100403 - 2⁶ = 12777100339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12777100403.

It is not a weakly prime, because it can be changed into another prime (12777100463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388550201 + 6388550202.

It is an arithmetic number, because the mean of its divisors is an integer number (6388550202).

Almost surely, 2^12777100403 is an apocalyptic number.

12777100403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12777100403 is an equidigital number, since it uses as much as digits as its factorization.

12777100403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8232, while the sum is 32.

The spelling of 12777100403 in words is "twelve billion, seven hundred seventy-seven million, one hundred thousand, four hundred three".