12040012532040 has 64 divisors (see below), whose sum is σ = 36159686703360. Its totient is φ = 3207145643520.

The previous prime is 12040012532039. The next prime is 12040012532077. The reversal of 12040012532040 is 4023521004021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12040012532040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54958429 + ... + 55177068.

It is an arithmetic number, because the mean of its divisors is an integer number (564995104740).

Almost surely, 2^{12040012532040} is an apocalyptic number.

12040012532040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040012532040 is an abundant number, since it is smaller than the sum of its proper divisors (24119674171320).

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

12040012532040 is a wasteful number, since it uses less digits than its factorization.

12040012532040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110136422 (or 110136418 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12040012532040 its reverse (4023521004021), we get a palindrome (16063533536061).

The spelling of 12040012532040 in words is "twelve trillion, forty billion, twelve million, five hundred thirty-two thousand, forty".