13311212121333 has 48 divisors (see below), whose sum is σ = 22459068777600. Its totient is φ = 7439914074240.

The previous prime is 13311212121287. The next prime is 13311212121343. The reversal of 13311212121333 is 33312121211331.

13311212121333 is a `hidden beast` number, since 1 + 3 + 3 + 112 + 1 + 212 + 1 + 333 = 666.

It is not a de Polignac number, because 13311212121333 - 2²⁶ = 13311145012469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13311212121297 and 13311212121306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311212121343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8987398 + ... + 10363191.

It is an arithmetic number, because the mean of its divisors is an integer number (467897266200).

Almost surely, 2^{13311212121333} is an apocalyptic number.

It is an amenable number.

13311212121333 is a deficient number, since it is larger than the sum of its proper divisors (9147856656267).

13311212121333 is a wasteful number, since it uses less digits than its factorization.

13311212121333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19350842 (or 19350839 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 13311212121333 its reverse (33312121211331), we get a palindrome (46623333332664).

The spelling of 13311212121333 in words is "thirteen trillion, three hundred eleven billion, two hundred twelve million, one hundred twenty-one thousand, three hundred thirty-three".