13121011203 has 8 divisors (see below), whose sum is σ = 18415454400. Its totient is φ = 8286954408.

The previous prime is 13121011201. The next prime is 13121011207. The reversal of 13121011203 is 30211012131.

It is a happy number.

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

It is not a de Polignac number, because 13121011203 - 2¹ = 13121011201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13121011201) 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, 115096533 + ... + 115096646.

It is an arithmetic number, because the mean of its divisors is an integer number (2301931800).

Almost surely, 2^13121011203 is an apocalyptic number.

13121011203 is a deficient number, since it is larger than the sum of its proper divisors (5294443197).

13121011203 is a wasteful number, since it uses less digits than its factorization.

13121011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230193201.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13121011203 its reverse (30211012131), we get a palindrome (43332023334).

The spelling of 13121011203 in words is "thirteen billion, one hundred twenty-one million, eleven thousand, two hundred three".