12404052142 has 16 divisors (see below), whose sum is σ = 19773804240. Its totient is φ = 5815497088.

The previous prime is 12404052119. The next prime is 12404052163. The reversal of 12404052142 is 24125040421.

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, 668968 + ... + 687259.

It is an arithmetic number, because the mean of its divisors is an integer number (1235862765).

Almost surely, 2^12404052142 is an apocalyptic number.

12404052142 is a deficient number, since it is larger than the sum of its proper divisors (7369752098).

12404052142 is a wasteful number, since it uses less digits than its factorization.

12404052142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356515.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 12404052142 its reverse (24125040421), we get a palindrome (36529092563).

The spelling of 12404052142 in words is "twelve billion, four hundred four million, fifty-two thousand, one hundred forty-two".