13131335425012 has 72 divisors (see below), whose sum is σ = 27216810944960. Its totient is φ = 5430199461120.

The previous prime is 13131335425009. The next prime is 13131335425037. The reversal of 13131335425012 is 21052453313131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37005712 + ... + 37358872.

Almost surely, 2^{13131335425012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13131335425012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608405472480).

13131335425012 is an abundant number, since it is smaller than the sum of its proper divisors (14085475519948).

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

13131335425012 is a wasteful number, since it uses less digits than its factorization.

13131335425012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354809 (or 354778 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 13131335425012 its reverse (21052453313131), we get a palindrome (34183788738143).

The spelling of 13131335425012 in words is "thirteen trillion, one hundred thirty-one billion, three hundred thirty-five million, four hundred twenty-five thousand, twelve".