13121030033203 has 16 divisors (see below), whose sum is σ = 13797830928960. Its totient is φ = 12453423611904.

The previous prime is 13121030033161. The next prime is 13121030033269. The reversal of 13121030033203 is 30233003012131.

It is a cyclic number.

It is not a de Polignac number, because 13121030033203 - 2²⁵ = 13120996478771 is a prime.

It is a super-2 number, since 2×13121030033203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121030033803) 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, 2072526 + ... + 5526067.

It is an arithmetic number, because the mean of its divisors is an integer number (862364433060).

Almost surely, 2^{13121030033203} is an apocalyptic number.

13121030033203 is a deficient number, since it is larger than the sum of its proper divisors (676800895757).

13121030033203 is a wasteful number, since it uses less digits than its factorization.

13121030033203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599198.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13121030033203 its reverse (30233003012131), we get a palindrome (43354033045334).

The spelling of 13121030033203 in words is "thirteen trillion, one hundred twenty-one billion, thirty million, thirty-three thousand, two hundred three".