13212003203031 has 16 divisors (see below), whose sum is σ = 17899735958240. Its totient is φ = 8666709488640.

The previous prime is 13212003202997. The next prime is 13212003203071. The reversal of 13212003203031 is 13030230021231.

It is not a de Polignac number, because 13212003203031 - 2¹⁵ = 13212003170263 is a prime.

It is a super-2 number, since 2×13212003203031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13212003202989 and 13212003203007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212003203071) 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, 71557186 + ... + 71741583.

It is an arithmetic number, because the mean of its divisors is an integer number (1118733497390).

Almost surely, 2^{13212003203031} is an apocalyptic number.

13212003203031 is a deficient number, since it is larger than the sum of its proper divisors (4687732755209).

13212003203031 is a wasteful number, since it uses less digits than its factorization.

13212003203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143299266.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13212003203031 its reverse (13030230021231), we get a palindrome (26242233224262).

The spelling of 13212003203031 in words is "thirteen trillion, two hundred twelve billion, three million, two hundred three thousand, thirty-one".