13212254343131 has 4 divisors (see below), whose sum is σ = 13212280842000. Its totient is φ = 13212227844264.

The previous prime is 13212254343107. The next prime is 13212254343143. The reversal of 13212254343131 is 13134345221231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13212254343131 is a prime.

It is a super-3 number, since 3×13212254343131³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13212254343091 and 13212254343100.

It is not an unprimeable number, because it can be changed into a prime (13212254343181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12486911 + ... + 13503608.

It is an arithmetic number, because the mean of its divisors is an integer number (3303070210500).

Almost surely, 2^{13212254343131} is an apocalyptic number.

13212254343131 is a deficient number, since it is larger than the sum of its proper divisors (26498869).

13212254343131 is an equidigital number, since it uses as much as digits as its factorization.

13212254343131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26498868.

The product of its digits is 51840, while the sum is 35.

Adding to 13212254343131 its reverse (13134345221231), we get a palindrome (26346599564362).

The spelling of 13212254343131 in words is "thirteen trillion, two hundred twelve billion, two hundred fifty-four million, three hundred forty-three thousand, one hundred thirty-one".