12769496722 has 16 divisors (see below), whose sum is σ = 20293221600. Its totient is φ = 6005543488.

The previous prime is 12769496639. The next prime is 12769496759. The reversal of 12769496722 is 22769496721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55972 + ... + 169327.

It is an arithmetic number, because the mean of its divisors is an integer number (1268326350).

Almost surely, 2^12769496722 is an apocalyptic number.

12769496722 is a deficient number, since it is larger than the sum of its proper divisors (7523724878).

12769496722 is a wasteful number, since it uses less digits than its factorization.

12769496722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226985.

The product of its digits is 4572288, while the sum is 55.

Subtracting 12769496722 from its reverse (22769496721), we obtain a palindrome (9999999999).

The spelling of 12769496722 in words is "twelve billion, seven hundred sixty-nine million, four hundred ninety-six thousand, seven hundred twenty-two".