13140320244012 has 120 divisors (see below), whose sum is σ = 37854129190416. Its totient is φ = 3949148068992.

The previous prime is 13140320243957. The next prime is 13140320244053. The reversal of 13140320244012 is 21044202304131.

13140320244012 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 0 + 3 + 202 + 440 + 12 = 666.

It is a super-2 number, since 2×13140320244012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36094863 + ... + 36457094.

Almost surely, 2^{13140320244012} is an apocalyptic number.

13140320244012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13140320244012 is an abundant number, since it is smaller than the sum of its proper divisors (24713808946404).

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

13140320244012 is a wasteful number, since it uses less digits than its factorization.

13140320244012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72552029 (or 72552018 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 13140320244012 its reverse (21044202304131), we get a palindrome (34184522548143).

The spelling of 13140320244012 in words is "thirteen trillion, one hundred forty billion, three hundred twenty million, two hundred forty-four thousand, twelve".