12912082123 has 8 divisors (see below), whose sum is σ = 13229211600. Its totient is φ = 12597675168.

The previous prime is 12912082093. The next prime is 12912082129. The reversal of 12912082123 is 32128021921.

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-12912082123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12912082129) 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, 671028 + ... + 690001.

It is an arithmetic number, because the mean of its divisors is an integer number (1653651450).

Almost surely, 2^12912082123 is an apocalyptic number.

12912082123 is a deficient number, since it is larger than the sum of its proper divisors (317129477).

12912082123 is a wasteful number, since it uses less digits than its factorization.

12912082123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361261.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12912082123 in words is "twelve billion, nine hundred twelve million, eighty-two thousand, one hundred twenty-three".