712346643216 has 80 divisors (see below), whose sum is σ = 2201983230720. Its totient is φ = 219183580800.

The previous prime is 712346643187. The next prime is 712346643233. The reversal of 712346643216 is 612346643217.

712346643216 is a `hidden beast` number, since 7 + 123 + 466 + 43 + 21 + 6 = 666.

It is a super-2 number, since 2×712346643216² (a number of 25 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 63415560 + ... + 63426791.

It is an arithmetic number, because the mean of its divisors is an integer number (27524790384).

Almost surely, 2^712346643216 is an apocalyptic number.

It is an amenable number.

712346643216 is an abundant number, since it is smaller than the sum of its proper divisors (1489636587504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712346643216 is a wasteful number, since it uses less digits than its factorization.

712346643216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126842381 (or 126842369 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

Subtracting from 712346643216 its reverse (612346643217), we obtain a palindrome (99999999999).

The spelling of 712346643216 in words is "seven hundred twelve billion, three hundred forty-six million, six hundred forty-three thousand, two hundred sixteen".