13212244341311 has 4 divisors (see below), whose sum is σ = 13667838973800. Its totient is φ = 12756649708824.

The previous prime is 13212244341281. The next prime is 13212244341341. The reversal of 13212244341311 is 11314344221231.

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

It is an interprime number because it is at equal distance from previous prime (13212244341281) and next prime (13212244341341).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13212244341311 is a prime.

It is a super-2 number, since 2×13212244341311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212244341341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227797316201 + ... + 227797316258.

It is an arithmetic number, because the mean of its divisors is an integer number (3416959743450).

Almost surely, 2^{13212244341311} is an apocalyptic number.

13212244341311 is a deficient number, since it is larger than the sum of its proper divisors (455594632489).

13212244341311 is an equidigital number, since it uses as much as digits as its factorization.

13212244341311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455594632488.

The product of its digits is 13824, while the sum is 32.

Adding to 13212244341311 its reverse (11314344221231), we get a palindrome (24526588562542).

The spelling of 13212244341311 in words is "thirteen trillion, two hundred twelve billion, two hundred forty-four million, three hundred forty-one thousand, three hundred eleven".