13131203321012 has 48 divisors (see below), whose sum is σ = 27141032644992. Its totient is φ = 5441810949120.

The previous prime is 13131203320957. The next prime is 13131203321059. The reversal of 13131203321012 is 21012330213131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50482358 + ... + 50741805.

It is an arithmetic number, because the mean of its divisors is an integer number (565438180104).

Almost surely, 2^{13131203321012} is an apocalyptic number.

It is an amenable number.

13131203321012 is an abundant number, since it is smaller than the sum of its proper divisors (14009829323980).

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

13131203321012 is a wasteful number, since it uses less digits than its factorization.

13131203321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101224328 (or 101224326 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13131203321012 its reverse (21012330213131), we get a palindrome (34143533534143).

The spelling of 13131203321012 in words is "thirteen trillion, one hundred thirty-one billion, two hundred three million, three hundred twenty-one thousand, twelve".