13123111000001 has 8 divisors (see below), whose sum is σ = 13428350320704. Its totient is φ = 12817873983600.

The previous prime is 13123110999967. The next prime is 13123111000033. The reversal of 13123111000001 is 10000011132131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13123111000001 - 2¹⁸ = 13123110737857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13123111000001.

It is not an unprimeable number, because it can be changed into a prime (13123111000801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17381051 + ... + 18120351.

It is an arithmetic number, because the mean of its divisors is an integer number (1678543790088).

Almost surely, 2^{13123111000001} is an apocalyptic number.

It is an amenable number.

13123111000001 is a deficient number, since it is larger than the sum of its proper divisors (305239320703).

13123111000001 is an equidigital number, since it uses as much as digits as its factorization.

13123111000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152151.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 13123111000001 its reverse (10000011132131), we get a palindrome (23123122132132).

The spelling of 13123111000001 in words is "thirteen trillion, one hundred twenty-three billion, one hundred eleven million, one", and thus it is an aban number.