13212203122231 has 8 divisors (see below), whose sum is σ = 13244039786880. Its totient is φ = 13180367905848.

The previous prime is 13212203122213. The next prime is 13212203122241. The reversal of 13212203122231 is 13222130221231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13212203122231 is a prime.

It is a super-2 number, since 2×13212203122231² (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 = 13212203122196 and 13212203122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212203122241) 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, 19173000 + ... + 19850146.

It is an arithmetic number, because the mean of its divisors is an integer number (1655504973360).

Almost surely, 2^{13212203122231} is an apocalyptic number.

13212203122231 is a deficient number, since it is larger than the sum of its proper divisors (31836664649).

13212203122231 is an equidigital number, since it uses as much as digits as its factorization.

13212203122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724133.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13212203122231 its reverse (13222130221231), we get a palindrome (26434333343462).

The spelling of 13212203122231 in words is "thirteen trillion, two hundred twelve billion, two hundred three million, one hundred twenty-two thousand, two hundred thirty-one".