2212512 has 48 divisors (see below), whose sum is σ = 6118560. Its totient is φ = 698112.

The previous prime is 2212487. The next prime is 2212519. The reversal of 2212512 is 2152122.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2212491 and 2212500.

It is not an unprimeable number, because it can be changed into a prime (2212519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (127470).

2^2212512 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 2212512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3059280).

2212512 is an abundant number, since it is smaller than the sum of its proper divisors (3906048).

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

2212512 is a wasteful number, since it uses less digits than its factorization.

2212512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1237 counting only the distinct ones).

The product of its digits is 80, while the sum is 15.

The square root of 2212512 is about 1487.4515118148. The cubic root of 2212512 is about 130.3052393461.

Adding to 2212512 its reverse (2152122), we get a palindrome (4364634).

The spelling of 2212512 in words is "two million, two hundred twelve thousand, five hundred twelve".