12172452214355 has 8 divisors (see below), whose sum is σ = 14751565852464. Its totient is φ = 9641546308000.

The previous prime is 12172452214343. The next prime is 12172452214393. The reversal of 12172452214355 is 55341225427121.

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-12172452214355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12051932381 + ... + 12051933390.

It is an arithmetic number, because the mean of its divisors is an integer number (1843945731558).

Almost surely, 2^{12172452214355} is an apocalyptic number.

12172452214355 is a deficient number, since it is larger than the sum of its proper divisors (2579113638109).

12172452214355 is a wasteful number, since it uses less digits than its factorization.

12172452214355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24103865877.

The product of its digits is 672000, while the sum is 44.

The spelling of 12172452214355 in words is "twelve trillion, one hundred seventy-two billion, four hundred fifty-two million, two hundred fourteen thousand, three hundred fifty-five".