12042516040 has 32 divisors (see below), whose sum is σ = 27105668280. Its totient is φ = 4815227392.

The previous prime is 12042516037. The next prime is 12042516043. The reversal of 12042516040 is 4061524021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12042516037) and next prime (12042516043).

It can be written as a sum of positive squares in 4 ways, for example, as 5459140996 + 6583375044 = 73886^2 + 81138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12042515996 and 12042516014.

It is not an unprimeable number, because it can be changed into a prime (12042516043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56874 + ... + 165286.

Almost surely, 2^12042516040 is an apocalyptic number.

12042516040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12042516040 is an abundant number, since it is smaller than the sum of its proper divisors (15063152240).

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

12042516040 is a wasteful number, since it uses less digits than its factorization.

12042516040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111201 (or 111197 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 12042516040 in words is "twelve billion, forty-two million, five hundred sixteen thousand, forty".