13321211012 has 24 divisors (see below), whose sum is σ = 23833146456. Its totient is φ = 6512599808.

The previous prime is 13321210997. The next prime is 13321211051. The reversal of 13321211012 is 21011212331.

It can be written as a sum of positive squares in 4 ways, for example, as 10364461636 + 2956749376 = 101806^2 + 54376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45113 + ... + 169344.

It is an arithmetic number, because the mean of its divisors is an integer number (993047769).

Almost surely, 2^13321211012 is an apocalyptic number.

It is an amenable number.

13321211012 is a deficient number, since it is larger than the sum of its proper divisors (10511935444).

13321211012 is a wasteful number, since it uses less digits than its factorization.

13321211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214807 (or 214805 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13321211012 its reverse (21011212331), we get a palindrome (34332423343).

The spelling of 13321211012 in words is "thirteen billion, three hundred twenty-one million, two hundred eleven thousand, twelve".