12142112334 has 128 divisors (see below), whose sum is σ = 28616924160. Its totient is φ = 3393792000.

The previous prime is 12142112299. The next prime is 12142112371. The reversal of 12142112334 is 43321124121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12351607 + ... + 12352589.

It is an arithmetic number, because the mean of its divisors is an integer number (223569720).

Almost surely, 2^12142112334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12142112334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14308462080).

12142112334 is an abundant number, since it is smaller than the sum of its proper divisors (16474811826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12142112334 is a wasteful number, since it uses less digits than its factorization.

12142112334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226.

The product of its digits is 1152, while the sum is 24.

Adding to 12142112334 its reverse (43321124121), we get a palindrome (55463236455).

The spelling of 12142112334 in words is "twelve billion, one hundred forty-two million, one hundred twelve thousand, three hundred thirty-four".