12040313142 has 64 divisors (see below), whose sum is σ = 28343911680. Its totient is φ = 3361564800.

The previous prime is 12040313111. The next prime is 12040313149. The reversal of 12040313142 is 24131304021.

12040313142 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 not an unprimeable number, because it can be changed into a prime (12040313149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451209 + ... + 477147.

It is an arithmetic number, because the mean of its divisors is an integer number (442873620).

Almost surely, 2^12040313142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12040313142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14171955840).

12040313142 is an abundant number, since it is smaller than the sum of its proper divisors (16303598538).

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

12040313142 is a wasteful number, since it uses less digits than its factorization.

12040313142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26509.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12040313142 its reverse (24131304021), we get a palindrome (36171617163).

The spelling of 12040313142 in words is "twelve billion, forty million, three hundred thirteen thousand, one hundred forty-two".