12312041142 has 16 divisors (see below), whose sum is σ = 24625820160. Its totient is φ = 4103724072.

The previous prime is 12312041129. The next prime is 12312041143. The reversal of 12312041142 is 24114021321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312041143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31063 + ... + 159965.

It is an arithmetic number, because the mean of its divisors is an integer number (1539113760).

Almost surely, 2^12312041142 is an apocalyptic number.

12312041142 is an abundant number, since it is smaller than the sum of its proper divisors (12313779018).

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

12312041142 is a wasteful number, since it uses less digits than its factorization.

12312041142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144827.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12312041142 its reverse (24114021321), we get a palindrome (36426062463).

The spelling of 12312041142 in words is "twelve billion, three hundred twelve million, forty-one thousand, one hundred forty-two".