12641263262 has 16 divisors (see below), whose sum is σ = 19179320832. Its totient is φ = 6248511360.

The previous prime is 12641263259. The next prime is 12641263273. The reversal of 12641263262 is 26236214621.

It is a congruent number.

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, 17183 + ... + 159930.

It is an arithmetic number, because the mean of its divisors is an integer number (1198707552).

Almost surely, 2^12641263262 is an apocalyptic number.

12641263262 is a deficient number, since it is larger than the sum of its proper divisors (6538057570).

12641263262 is a wasteful number, since it uses less digits than its factorization.

12641263262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177523.

The product of its digits is 41472, while the sum is 35.

Adding to 12641263262 its reverse (26236214621), we get a palindrome (38877477883).

The spelling of 12641263262 in words is "twelve billion, six hundred forty-one million, two hundred sixty-three thousand, two hundred sixty-two".