2112206472 has 96 divisors (see below), whose sum is σ = 5984484480. Its totient is φ = 671742720.

The previous prime is 2112206401. The next prime is 2112206479. The reversal of 2112206472 is 2746022112.

2112206472 is a `hidden beast` number, since 2 + 1 + 12 + 2 + 0 + 647 + 2 = 666.

It is a super-2 number, since 2×2112206472² = 8922832360717373568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112206479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755397 + ... + 758187.

It is an arithmetic number, because the mean of its divisors is an integer number (62338380).

Almost surely, 2^2112206472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112206472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2992242240).

2112206472 is an abundant number, since it is smaller than the sum of its proper divisors (3872278008).

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

2112206472 is a wasteful number, since it uses less digits than its factorization.

2112206472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2112206472 is about 45958.7475025158. The cubic root of 2112206472 is about 1283.0555403599.

Adding to 2112206472 its reverse (2746022112), we get a palindrome (4858228584).

The spelling of 2112206472 in words is "two billion, one hundred twelve million, two hundred six thousand, four hundred seventy-two".