12975173161378 has 8 divisors (see below), whose sum is σ = 19463668474320. Its totient is φ = 6487283669940.

The previous prime is 12975173161369. The next prime is 12975173161387. The reversal of 12975173161378 is 87316137157921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12975173161369) and next prime (12975173161387).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151401828 + ... + 151487503.

It is an arithmetic number, because the mean of its divisors is an integer number (2432958559290).

Almost surely, 2^{12975173161378} is an apocalyptic number.

12975173161378 is a deficient number, since it is larger than the sum of its proper divisors (6488495312942).

12975173161378 is a wasteful number, since it uses less digits than its factorization.

12975173161378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302910752.

The product of its digits is 13335840, while the sum is 61.

The spelling of 12975173161378 in words is "twelve trillion, nine hundred seventy-five billion, one hundred seventy-three million, one hundred sixty-one thousand, three hundred seventy-eight".