812142285297 has 12 divisors (see below), whose sum is σ = 1259649259056. Its totient is φ = 464081305800.

The previous prime is 812142285247. The next prime is 812142285299. The reversal of 812142285297 is 792582241218.

It is not a de Polignac number, because 812142285297 - 2⁶ = 812142285233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (812142285299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2762388579 + ... + 2762388872.

It is an arithmetic number, because the mean of its divisors is an integer number (104970771588).

Almost surely, 2^812142285297 is an apocalyptic number.

It is an amenable number.

812142285297 is a deficient number, since it is larger than the sum of its proper divisors (447506973759).

812142285297 is a wasteful number, since it uses less digits than its factorization.

812142285297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524777468 (or 5524777461 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The spelling of 812142285297 in words is "eight hundred twelve billion, one hundred forty-two million, two hundred eighty-five thousand, two hundred ninety-seven".