13123450012051 has 4 divisors (see below), whose sum is σ = 13130034785752. Its totient is φ = 13116865238352.

The previous prime is 13123450012009. The next prime is 13123450012069. The reversal of 13123450012051 is 15021005432131.

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

It is a cyclic number.

It is not a de Polignac number, because 13123450012051 - 2⁷ = 13123450011923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123450010051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3292383861 + ... + 3292387846.

It is an arithmetic number, because the mean of its divisors is an integer number (3282508696438).

Almost surely, 2^{13123450012051} is an apocalyptic number.

13123450012051 is a deficient number, since it is larger than the sum of its proper divisors (6584773701).

13123450012051 is an equidigital number, since it uses as much as digits as its factorization.

13123450012051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6584773700.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 13123450012051 its reverse (15021005432131), we get a palindrome (28144455444182).

The spelling of 13123450012051 in words is "thirteen trillion, one hundred twenty-three billion, four hundred fifty million, twelve thousand, fifty-one".