12040013472 has 24 divisors (see below), whose sum is σ = 31605035616. Its totient is φ = 4013337792.

The previous prime is 12040013467. The next prime is 12040013501. The reversal of 12040013472 is 27431004021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62708308 + ... + 62708499.

It is an arithmetic number, because the mean of its divisors is an integer number (1316876484).

Almost surely, 2^12040013472 is an apocalyptic number.

12040013472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12040013472 is an abundant number, since it is smaller than the sum of its proper divisors (19565022144).

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

12040013472 is a wasteful number, since it uses less digits than its factorization.

12040013472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125416820 (or 125416812 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 12040013472 its reverse (27431004021), we get a palindrome (39471017493).

The spelling of 12040013472 in words is "twelve billion, forty million, thirteen thousand, four hundred seventy-two".