42234121234 has 16 divisors (see below), whose sum is σ = 66689517600. Its totient is φ = 20004417504.

The previous prime is 42234121229. The next prime is 42234121249. The reversal of 42234121234 is 43212143224.

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, 1042102 + ... + 1081870.

It is an arithmetic number, because the mean of its divisors is an integer number (4168094850).

Almost surely, 2^42234121234 is an apocalyptic number.

42234121234 is a deficient number, since it is larger than the sum of its proper divisors (24455396366).

42234121234 is a wasteful number, since it uses less digits than its factorization.

42234121234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67737.

The product of its digits is 9216, while the sum is 28.

Adding to 42234121234 its reverse (43212143224), we get a palindrome (85446264458).

The spelling of 42234121234 in words is "forty-two billion, two hundred thirty-four million, one hundred twenty-one thousand, two hundred thirty-four".