12276831563 has 2 divisors, whose sum is σ = 12276831564. Its totient is φ = 12276831562.

The previous prime is 12276831559. The next prime is 12276831599. The reversal of 12276831563 is 36513867221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12276831563 - 2² = 12276831559 is a prime.

It is not a weakly prime, because it can be changed into another prime (12276831863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6138415781 + 6138415782.

It is an arithmetic number, because the mean of its divisors is an integer number (6138415782).

Almost surely, 2^12276831563 is an apocalyptic number.

12276831563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12276831563 is an equidigital number, since it uses as much as digits as its factorization.

12276831563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The spelling of 12276831563 in words is "twelve billion, two hundred seventy-six million, eight hundred thirty-one thousand, five hundred sixty-three".