12040140330446 has 16 divisors (see below), whose sum is σ = 18741913237440. Its totient is φ = 5794145626080.

The previous prime is 12040140330437. The next prime is 12040140330481. The reversal of 12040140330446 is 64403304104021.

12040140330446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327408470 + ... + 327445241.

It is an arithmetic number, because the mean of its divisors is an integer number (1171369577340).

Almost surely, 2^{12040140330446} is an apocalyptic number.

12040140330446 is a deficient number, since it is larger than the sum of its proper divisors (6701772906994).

12040140330446 is a wasteful number, since it uses less digits than its factorization.

12040140330446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654854059.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 12040140330446 its reverse (64403304104021), we get a palindrome (76443444434467).

The spelling of 12040140330446 in words is "twelve trillion, forty billion, one hundred forty million, three hundred thirty thousand, four hundred forty-six".