12040511242400 has 144 divisors (see below), whose sum is σ = 32476123520064. Its totient is φ = 4335815700480.

The previous prime is 12040511242393. The next prime is 12040511242493. The reversal of 12040511242400 is 424211504021.

It is a self number, because there is not a number n which added to its sum of digits gives 12040511242400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18933542 + ... + 19559141.

It is an arithmetic number, because the mean of its divisors is an integer number (225528635556).

Almost surely, 2^{12040511242400} is an apocalyptic number.

12040511242400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040511242400 is an abundant number, since it is smaller than the sum of its proper divisors (20435612277664).

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

12040511242400 is a wasteful number, since it uses less digits than its factorization.

12040511242400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38492743 (or 38492730 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 12040511242400 its reverse (424211504021), we get a palindrome (12464722746421).

The spelling of 12040511242400 in words is "twelve trillion, forty billion, five hundred eleven million, two hundred forty-two thousand, four hundred".