12106506239 has 8 divisors (see below), whose sum is σ = 12321242640. Its totient is φ = 11892088000.

The previous prime is 12106506197. The next prime is 12106506289. The reversal of 12106506239 is 93260560121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12106506239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12106506199 and 12106506208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12106506289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102 + ... + 155619.

It is an arithmetic number, because the mean of its divisors is an integer number (1540155330).

Almost surely, 2^12106506239 is an apocalyptic number.

12106506239 is a deficient number, since it is larger than the sum of its proper divisors (214736401).

12106506239 is a wasteful number, since it uses less digits than its factorization.

12106506239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159081.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 12106506239 in words is "twelve billion, one hundred six million, five hundred six thousand, two hundred thirty-nine".