12142111439 has 8 divisors (see below), whose sum is σ = 12264013440. Its totient is φ = 12020365656.

The previous prime is 12142111409. The next prime is 12142111451. The reversal of 12142111439 is 93411124121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12142111439 - 2²⁰ = 12141062863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142111409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120422 + ... + 196940.

It is an arithmetic number, because the mean of its divisors is an integer number (1533001680).

Almost surely, 2^12142111439 is an apocalyptic number.

12142111439 is a deficient number, since it is larger than the sum of its proper divisors (121902001).

12142111439 is a wasteful number, since it uses less digits than its factorization.

12142111439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78109.

The product of its digits is 1728, while the sum is 29.

The spelling of 12142111439 in words is "twelve billion, one hundred forty-two million, one hundred eleven thousand, four hundred thirty-nine".