13213445424412 has 12 divisors (see below), whose sum is σ = 23126009825016. Its totient is φ = 6606014045840.

The previous prime is 13213445424343. The next prime is 13213445424449. The reversal of 13213445424412 is 21442454431231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177124639 + ... + 177199222.

It is an arithmetic number, because the mean of its divisors is an integer number (1927167485418).

Almost surely, 2^{13213445424412} is an apocalyptic number.

It is an amenable number.

13213445424412 is a deficient number, since it is larger than the sum of its proper divisors (9912564400604).

13213445424412 is a wasteful number, since it uses less digits than its factorization.

13213445424412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354333188 (or 354333186 counting only the distinct ones).

The product of its digits is 368640, while the sum is 40.

Adding to 13213445424412 its reverse (21442454431231), we get a palindrome (34655899855643).

The spelling of 13213445424412 in words is "thirteen trillion, two hundred thirteen billion, four hundred forty-five million, four hundred twenty-four thousand, four hundred twelve".