12531103060040 has 32 divisors (see below), whose sum is σ = 28195559370360. Its totient is φ = 5012338560000.

The previous prime is 12531103059913. The next prime is 12531103060097. The reversal of 12531103060040 is 4006030113521.

12531103060040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3159214746724 + 9371888313316 = 1777418^2 + 3061354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12531103059991 and 12531103060009.

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, 1215611 + ... + 5151690.

Almost surely, 2^{12531103060040} is an apocalyptic number.

12531103060040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12531103060040 is an abundant number, since it is smaller than the sum of its proper divisors (15664456310320).

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

12531103060040 is a wasteful number, since it uses less digits than its factorization.

12531103060040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416513 (or 6416509 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 12531103060040 its reverse (4006030113521), we get a palindrome (16537133173561).

The spelling of 12531103060040 in words is "twelve trillion, five hundred thirty-one billion, one hundred three million, sixty thousand, forty".