2321212132 has 12 divisors (see below), whose sum is σ = 4064114236. Its totient is φ = 1160036640.

The previous prime is 2321212087. The next prime is 2321212169. The reversal of 2321212132 is 2312121232.

It can be written as a sum of positive squares in 2 ways, for example, as 1223880256 + 1097331876 = 34984^2 + 33126^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133119 + ... + 149542.

Almost surely, 2^2321212132 is an apocalyptic number.

It is an amenable number.

2321212132 is a deficient number, since it is larger than the sum of its proper divisors (1742902104).

2321212132 is a wasteful number, since it uses less digits than its factorization.

2321212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284718 (or 284716 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2321212132 is about 48178.9594325158. The cubic root of 2321212132 is about 1324.0517020545.

Adding to 2321212132 its reverse (2312121232), we get a palindrome (4633333364).

It can be divided in two parts, 23212 and 12132, that added together give a square (35344 = 188²).

The spelling of 2321212132 in words is "two billion, three hundred twenty-one million, two hundred twelve thousand, one hundred thirty-two".