5121242105342 has 32 divisors (see below), whose sum is σ = 8558794243584. Its totient is φ = 2278235008000.

The previous prime is 5121242105333. The next prime is 5121242105381. The reversal of 5121242105342 is 2435012421215.

It is a junction number, because it is equal to n+sod(n) for n = 5121242105299 and 5121242105308.

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, 43007678 + ... + 43126590.

It is an arithmetic number, because the mean of its divisors is an integer number (267462320112).

Almost surely, 2^{5121242105342} is an apocalyptic number.

5121242105342 is a deficient number, since it is larger than the sum of its proper divisors (3437552138242).

5121242105342 is a wasteful number, since it uses less digits than its factorization.

5121242105342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160624.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 5121242105342 its reverse (2435012421215), we get a palindrome (7556254526557).

The spelling of 5121242105342 in words is "five trillion, one hundred twenty-one billion, two hundred forty-two million, one hundred five thousand, three hundred forty-two".