12152434172217 has 8 divisors (see below), whose sum is σ = 16256024865696. Its totient is φ = 8075233130112.

The previous prime is 12152434172189. The next prime is 12152434172239. The reversal of 12152434172217 is 71227143425121.

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

It is a de Polignac number, because none of the positive numbers 2^k-12152434172217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12152434172717) 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, 6597411768 + ... + 6597413609.

It is an arithmetic number, because the mean of its divisors is an integer number (2032003108212).

Almost surely, 2^{12152434172217} is an apocalyptic number.

It is an amenable number.

12152434172217 is a deficient number, since it is larger than the sum of its proper divisors (4103590693479).

12152434172217 is a wasteful number, since it uses less digits than its factorization.

12152434172217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194825687.

The product of its digits is 188160, while the sum is 42.

Adding to 12152434172217 its reverse (71227143425121), we get a palindrome (83379577597338).

The spelling of 12152434172217 in words is "twelve trillion, one hundred fifty-two billion, four hundred thirty-four million, one hundred seventy-two thousand, two hundred seventeen".