243332120042 has 16 divisors (see below), whose sum is σ = 399649140864. Its totient is φ = 110197368000.

The previous prime is 243332119999. The next prime is 243332120063. The reversal of 243332120042 is 240021233342.

It is a junction number, because it is equal to n+sod(n) for n = 243332119993 and 243332120020.

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, 20400959 + ... + 20412882.

It is an arithmetic number, because the mean of its divisors is an integer number (24978071304).

Almost surely, 2^243332120042 is an apocalyptic number.

243332120042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243332120042 is a deficient number, since it is larger than the sum of its proper divisors (156317020822).

243332120042 is a wasteful number, since it uses less digits than its factorization.

243332120042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40814125.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 243332120042 its reverse (240021233342), we get a palindrome (483353353384).

The spelling of 243332120042 in words is "two hundred forty-three billion, three hundred thirty-two million, one hundred twenty thousand, forty-two".