12131402131342 has 32 divisors (see below), whose sum is σ = 21131424306720. Its totient is φ = 5175042670080.

The previous prime is 12131402131337. The next prime is 12131402131357. The reversal of 12131402131342 is 24313120413121.

12131402131342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12131402131342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299461383 + ... + 299501890.

It is an arithmetic number, because the mean of its divisors is an integer number (660357009585).

Almost surely, 2^{12131402131342} is an apocalyptic number.

12131402131342 is a deficient number, since it is larger than the sum of its proper divisors (9000022175378).

12131402131342 is a wasteful number, since it uses less digits than its factorization.

12131402131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598963348.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 12131402131342 its reverse (24313120413121), we get a palindrome (36444522544463).

The spelling of 12131402131342 in words is "twelve trillion, one hundred thirty-one billion, four hundred two million, one hundred thirty-one thousand, three hundred forty-two".