12125204512766 has 8 divisors (see below), whose sum is σ = 18354667382040. Its totient is φ = 6006982052088.

The previous prime is 12125204512711. The next prime is 12125204512787. The reversal of 12125204512766 is 66721540252121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27810101876 + ... + 27810102311.

It is an arithmetic number, because the mean of its divisors is an integer number (2294333422755).

Almost surely, 2^{12125204512766} is an apocalyptic number.

12125204512766 is a deficient number, since it is larger than the sum of its proper divisors (6229462869274).

12125204512766 is a wasteful number, since it uses less digits than its factorization.

12125204512766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55620204298.

The product of its (nonzero) digits is 403200, while the sum is 44.

Adding to 12125204512766 its reverse (66721540252121), we get a palindrome (78846744764887).

The spelling of 12125204512766 in words is "twelve trillion, one hundred twenty-five billion, two hundred four million, five hundred twelve thousand, seven hundred sixty-six".