13321442342012 has 24 divisors (see below), whose sum is σ = 26643939137760. Its totient is φ = 5708963620800.

The previous prime is 13321442341997. The next prime is 13321442342077. The reversal of 13321442342012 is 21024324412331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13321442342012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8693687 + ... + 10110542.

It is an arithmetic number, because the mean of its divisors is an integer number (1110164130740).

Almost surely, 2^{13321442342012} is an apocalyptic number.

It is an amenable number.

13321442342012 is an abundant number, since it is smaller than the sum of its proper divisors (13322496795748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13321442342012 is a wasteful number, since it uses less digits than its factorization.

13321442342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18829541 (or 18829539 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 13321442342012 its reverse (21024324412331), we get a palindrome (34345766754343).

The spelling of 13321442342012 in words is "thirteen trillion, three hundred twenty-one billion, four hundred forty-two million, three hundred forty-two thousand, twelve".