2143212230 has 32 divisors (see below), whose sum is σ = 4013971200. Its totient is φ = 822919552.

The previous prime is 2143212221. The next prime is 2143212233. The reversal of 2143212230 is 322123412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143212233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28811 + ... + 71529.

It is an arithmetic number, because the mean of its divisors is an integer number (125436600).

Almost surely, 2^2143212230 is an apocalyptic number.

2143212230 is a deficient number, since it is larger than the sum of its proper divisors (1870758970).

2143212230 is a wasteful number, since it uses less digits than its factorization.

2143212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42928.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2143212230 is about 46294.8402092501. The cubic root of 2143212230 is about 1289.3031971879.

Adding to 2143212230 its reverse (322123412), we get a palindrome (2465335642).

The spelling of 2143212230 in words is "two billion, one hundred forty-three million, two hundred twelve thousand, two hundred thirty".