12234042542 has 16 divisors (see below), whose sum is σ = 18660523200. Its totient is φ = 6014511360.

The previous prime is 12234042529. The next prime is 12234042559. The reversal of 12234042542 is 24524043221.

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, 122567 + ... + 198722.

It is an arithmetic number, because the mean of its divisors is an integer number (1166282700).

Almost surely, 2^12234042542 is an apocalyptic number.

12234042542 is a deficient number, since it is larger than the sum of its proper divisors (6426480658).

12234042542 is a wasteful number, since it uses less digits than its factorization.

12234042542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321611.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 12234042542 its reverse (24524043221), we get a palindrome (36758085763).

The spelling of 12234042542 in words is "twelve billion, two hundred thirty-four million, forty-two thousand, five hundred forty-two".