12310525040040 has 96 divisors (see below), whose sum is σ = 40020272047080. Its totient is φ = 3281898725376.

The previous prime is 12310525040017. The next prime is 12310525040041. The reversal of 12310525040040 is 4004052501321.

12310525040040 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 0 + 5 + 250 + 400 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4113538450596 + 8196986589444 = 2028186^2 + 2863038^2 .

It is a super-2 number, since 2×12310525040040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12310525039986 and 12310525040013.

It is not an unprimeable number, because it can be changed into a prime (12310525040041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3424989 + ... + 6029228.

Almost surely, 2^{12310525040040} is an apocalyptic number.

12310525040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310525040040 is an abundant number, since it is smaller than the sum of its proper divisors (27709747007040).

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

12310525040040 is a wasteful number, since it uses less digits than its factorization.

12310525040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457851 (or 9457844 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12310525040040 its reverse (4004052501321), we get a palindrome (16314577541361).

The spelling of 12310525040040 in words is "twelve trillion, three hundred ten billion, five hundred twenty-five million, forty thousand, forty".