13212233221231 has 16 divisors (see below), whose sum is σ = 14554974852000. Its totient is φ = 11893302328320.

The previous prime is 13212233221223. The next prime is 13212233221237.

13212233221231 is nontrivially palindromic in base 10.

13212233221231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13212233221231 - 2³ = 13212233221223 is a prime.

It is a super-2 number, since 2×13212233221231² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13212233221231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212233221237) 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, 3860856 + ... + 6428893.

It is an arithmetic number, because the mean of its divisors is an integer number (909685928250).

Almost surely, 2^{13212233221231} is an apocalyptic number.

13212233221231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13212233221231 is a deficient number, since it is larger than the sum of its proper divisors (1342741630769).

13212233221231 is a wasteful number, since it uses less digits than its factorization.

13212233221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10290906.

The product of its digits is 5184, while the sum is 28.

It can be divided in two parts, 1321223 and 3221231, that added together give a palindrome (4542454).

The spelling of 13212233221231 in words is "thirteen trillion, two hundred twelve billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred thirty-one".