13553321012 has 36 divisors (see below), whose sum is σ = 30098938464. Its totient is φ = 5280513840.

The previous prime is 13553320999. The next prime is 13553321029. The reversal of 13553321012 is 21012335531.

13553321012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3141008 + ... + 3145319.

It is an arithmetic number, because the mean of its divisors is an integer number (836081624).

Almost surely, 2^13553321012 is an apocalyptic number.

It is an amenable number.

13553321012 is an abundant number, since it is smaller than the sum of its proper divisors (16545617452).

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

13553321012 is a wasteful number, since it uses less digits than its factorization.

13553321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6286356 (or 6286347 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 13553321012 its reverse (21012335531), we get a palindrome (34565656543).

The spelling of 13553321012 in words is "thirteen billion, five hundred fifty-three million, three hundred twenty-one thousand, twelve".