12106240442 has 8 divisors (see below), whose sum is σ = 18161817600. Its totient is φ = 6052301244.

The previous prime is 12106240361. The next prime is 12106240451. The reversal of 12106240442 is 24404260121.

12106240442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12106240442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390842 + ... + 420677.

It is an arithmetic number, because the mean of its divisors is an integer number (2270227200).

Almost surely, 2^12106240442 is an apocalyptic number.

12106240442 is a deficient number, since it is larger than the sum of its proper divisors (6055577158).

12106240442 is an equidigital number, since it uses as much as digits as its factorization.

12106240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818980.

The product of its (nonzero) digits is 3072, while the sum is 26.

The spelling of 12106240442 in words is "twelve billion, one hundred six million, two hundred forty thousand, four hundred forty-two".