13125211203 has 16 divisors (see below), whose sum is σ = 18859911840. Its totient is φ = 8071286784.

The previous prime is 13125211201. The next prime is 13125211207. The reversal of 13125211203 is 30211252131.

It is not a de Polignac number, because 13125211203 - 2¹ = 13125211201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13125211203.

It is not an unprimeable number, because it can be changed into a prime (13125211201) 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, 64476 + ... + 174377.

It is an arithmetic number, because the mean of its divisors is an integer number (1178744490).

Almost surely, 2^13125211203 is an apocalyptic number.

13125211203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13125211203 is a deficient number, since it is larger than the sum of its proper divisors (5734700637).

13125211203 is a wasteful number, since it uses less digits than its factorization.

13125211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240278.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 13125211203 its reverse (30211252131), we get a palindrome (43336463334).

The spelling of 13125211203 in words is "thirteen billion, one hundred twenty-five million, two hundred eleven thousand, two hundred three".