2130212232 has 48 divisors (see below), whose sum is σ = 5863915980. Its totient is φ = 698428800.

The previous prime is 2130212221. The next prime is 2130212239. The reversal of 2130212232 is 2322120312.

It can be written as a sum of positive squares in 2 ways, for example, as 1903227876 + 226984356 = 43626^2 + 15066^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2130212239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238119 + ... + 246902.

Almost surely, 2^2130212232 is an apocalyptic number.

It is an amenable number.

2130212232 is an abundant number, since it is smaller than the sum of its proper divisors (3733703748).

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

2130212232 is a wasteful number, since it uses less digits than its factorization.

2130212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485094 (or 485087 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2130212232 is about 46154.2222553907. Note that the first 4 decimals coincide. The cubic root of 2130212232 is about 1286.6910834434.

Adding to 2130212232 its reverse (2322120312), we get a palindrome (4452332544).

The spelling of 2130212232 in words is "two billion, one hundred thirty million, two hundred twelve thousand, two hundred thirty-two".