12141135543442 has 16 divisors (see below), whose sum is σ = 18301657709664. Its totient is φ = 6040629000000.

The previous prime is 12141135543431. The next prime is 12141135543451. The reversal of 12141135543442 is 24434553114121.

It is a junction number, because it is equal to n+sod(n) for n = 12141135543395 and 12141135543404.

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, 10978359 + ... + 12033562.

It is an arithmetic number, because the mean of its divisors is an integer number (1143853606854).

Almost surely, 2^{12141135543442} is an apocalyptic number.

12141135543442 is a deficient number, since it is larger than the sum of its proper divisors (6160522166222).

12141135543442 is a wasteful number, since it uses less digits than its factorization.

12141135543442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23013225.

The product of its digits is 230400, while the sum is 40.

Adding to 12141135543442 its reverse (24434553114121), we get a palindrome (36575688657563).

The spelling of 12141135543442 in words is "twelve trillion, one hundred forty-one billion, one hundred thirty-five million, five hundred forty-three thousand, four hundred forty-two".