12881410526 has 4 divisors (see below), whose sum is σ = 19322115792. Its totient is φ = 6440705262.

The previous prime is 12881410517. The next prime is 12881410543. The reversal of 12881410526 is 62501418821.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12881410526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220352630 + ... + 3220352633.

It is an arithmetic number, because the mean of its divisors is an integer number (4830528948).

Almost surely, 2^12881410526 is an apocalyptic number.

12881410526 is a deficient number, since it is larger than the sum of its proper divisors (6440705266).

12881410526 is an equidigital number, since it uses as much as digits as its factorization.

12881410526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440705265.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 12881410526 in words is "twelve billion, eight hundred eighty-one million, four hundred ten thousand, five hundred twenty-six".