612172457480208 has 20 divisors (see below), whose sum is σ = 1581445515157328. Its totient is φ = 204057485826720.

The previous prime is 612172457480141. The next prime is 612172457480209. The reversal of 612172457480208 is 802084754271216.

It is not an unprimeable number, because it can be changed into a prime (612172457480209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6376796432038 + ... + 6376796432133.

Almost surely, 2^{612172457480208} is an apocalyptic number.

It is an amenable number.

612172457480208 is an abundant number, since it is smaller than the sum of its proper divisors (969273057677120).

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

612172457480208 is a wasteful number, since it uses less digits than its factorization.

612172457480208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753592864182 (or 12753592864176 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 612172457480208 in words is "six hundred twelve trillion, one hundred seventy-two billion, four hundred fifty-seven million, four hundred eighty thousand, two hundred eight".