2220132312 has 96 divisors (see below), whose sum is σ = 6319307280. Its totient is φ = 703261440.

The previous prime is 2220132307. The next prime is 2220132331. The reversal of 2220132312 is 2132310222.

2220132312 is a `hidden beast` number, since 2 + 220 + 132 + 312 = 666.

It is a super-3 number, since 3×2220132312³ (a number of 29 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104862 + ... + 124242.

Almost surely, 2^2220132312 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 2220132312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3159653640).

2220132312 is an abundant number, since it is smaller than the sum of its proper divisors (4099174968).

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

2220132312 is a wasteful number, since it uses less digits than its factorization.

2220132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19473 (or 19466 counting only the distinct ones).

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

The square root of 2220132312 is about 47118.2800195423. The cubic root of 2220132312 is about 1304.5466659845.

Adding to 2220132312 its reverse (2132310222), we get a palindrome (4352442534).

The spelling of 2220132312 in words is "two billion, two hundred twenty million, one hundred thirty-two thousand, three hundred twelve".