12810532690 has 16 divisors (see below), whose sum is σ = 23802796800. Its totient is φ = 4958915760.

The previous prime is 12810532667. The next prime is 12810532711. The reversal of 12810532690 is 9623501821.

It is a super-2 number, since 2×12810532690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20661840 + ... + 20662459.

It is an arithmetic number, because the mean of its divisors is an integer number (1487674800).

Almost surely, 2^12810532690 is an apocalyptic number.

12810532690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12810532690 is a deficient number, since it is larger than the sum of its proper divisors (10992264110).

12810532690 is a wasteful number, since it uses less digits than its factorization.

12810532690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41324337.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 12810532690 in words is "twelve billion, eight hundred ten million, five hundred thirty-two thousand, six hundred ninety".