2320213212 has 18 divisors (see below), whose sum is σ = 5864983488. Its totient is φ = 773404392.

The previous prime is 2320213199. The next prime is 2320213213. The reversal of 2320213212 is 2123120232.

2320213212 is a `hidden beast` number, since 2 + 320 + 21 + 321 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320213213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32225148 + ... + 32225219.

It is an arithmetic number, because the mean of its divisors is an integer number (325832416).

Almost surely, 2^2320213212 is an apocalyptic number.

It is an amenable number.

2320213212 is an abundant number, since it is smaller than the sum of its proper divisors (3544770276).

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

2320213212 is a wasteful number, since it uses less digits than its factorization.

2320213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64450377 (or 64450372 counting only the distinct ones).

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

The square root of 2320213212 is about 48168.5915509266. The cubic root of 2320213212 is about 1323.8617421796.

Adding to 2320213212 its reverse (2123120232), we get a palindrome (4443333444).

The spelling of 2320213212 in words is "two billion, three hundred twenty million, two hundred thirteen thousand, two hundred twelve".