2082217171812 has 48 divisors (see below), whose sum is σ = 4931365064640. Its totient is φ = 683665500672.

The previous prime is 2082217171807. The next prime is 2082217171813. The reversal of 2082217171812 is 2181717122802.

It is not an unprimeable number, because it can be changed into a prime (2082217171813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12570264 + ... + 12734832.

It is an arithmetic number, because the mean of its divisors is an integer number (102736772180).

Almost surely, 2^{2082217171812} is an apocalyptic number.

It is an amenable number.

2082217171812 is an abundant number, since it is smaller than the sum of its proper divisors (2849147892828).

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

2082217171812 is a wasteful number, since it uses less digits than its factorization.

2082217171812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180380 (or 180378 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 42.

The spelling of 2082217171812 in words is "two trillion, eighty-two billion, two hundred seventeen million, one hundred seventy-one thousand, eight hundred twelve".