12651134051 has 4 divisors (see below), whose sum is σ = 12673368600. Its totient is φ = 12628899504.

The previous prime is 12651134033. The next prime is 12651134063. The reversal of 12651134051 is 15043115621.

12651134051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12651134051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12651134651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11116421 + ... + 11117558.

It is an arithmetic number, because the mean of its divisors is an integer number (3168342150).

Almost surely, 2^12651134051 is an apocalyptic number.

12651134051 is a deficient number, since it is larger than the sum of its proper divisors (22234549).

12651134051 is an equidigital number, since it uses as much as digits as its factorization.

12651134051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22234548.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 12651134051 its reverse (15043115621), we get a palindrome (27694249672).

The spelling of 12651134051 in words is "twelve billion, six hundred fifty-one million, one hundred thirty-four thousand, fifty-one".