13211144041012 has 24 divisors (see below), whose sum is σ = 23325225980616. Its totient is φ = 6546799408128.

The previous prime is 13211144041009. The next prime is 13211144041021. The reversal of 13211144041012 is 21014044111231.

It can be written as a sum of positive squares in 4 ways, for example, as 156464549136 + 13054679491876 = 395556^2 + 3613126^2 .

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 7 ways as a sum of consecutive naturals, for example, 8804338 + ... + 10195030.

It is an arithmetic number, because the mean of its divisors is an integer number (971884415859).

Almost surely, 2^{13211144041012} is an apocalyptic number.

It is an amenable number.

13211144041012 is a deficient number, since it is larger than the sum of its proper divisors (10114081939604).

13211144041012 is a wasteful number, since it uses less digits than its factorization.

13211144041012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411827 (or 1411825 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 13211144041012 its reverse (21014044111231), we get a palindrome (34225188152243).

The spelling of 13211144041012 in words is "thirteen trillion, two hundred eleven billion, one hundred forty-four million, forty-one thousand, twelve".