13121444103 has 16 divisors (see below), whose sum is σ = 17600469120. Its totient is φ = 8695066464.

The previous prime is 13121444093. The next prime is 13121444107. The reversal of 13121444103 is 30144412131.

It is not a de Polignac number, because 13121444103 - 2⁸ = 13121443847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121444107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936800 + ... + 1943562.

It is an arithmetic number, because the mean of its divisors is an integer number (1100029320).

Almost surely, 2^13121444103 is an apocalyptic number.

13121444103 is a deficient number, since it is larger than the sum of its proper divisors (4479025017).

13121444103 is a wasteful number, since it uses less digits than its factorization.

13121444103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10558.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13121444103 its reverse (30144412131), we get a palindrome (43265856234).

The spelling of 13121444103 in words is "thirteen billion, one hundred twenty-one million, four hundred forty-four thousand, one hundred three".