2143213210 has 32 divisors (see below), whose sum is σ = 4019507712. Its totient is φ = 821864640.

The previous prime is 2143213153. The next prime is 2143213211. The reversal of 2143213210 is 123123412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2143213211) 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, 864 + ... + 65476.

It is an arithmetic number, because the mean of its divisors is an integer number (125609616).

Almost surely, 2^2143213210 is an apocalyptic number.

2143213210 is a deficient number, since it is larger than the sum of its proper divisors (1876294502).

2143213210 is a wasteful number, since it uses less digits than its factorization.

2143213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64758.

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

The square root of 2143213210 is about 46294.8507935818. The cubic root of 2143213210 is about 1289.3033937024.

Adding to 2143213210 its reverse (123123412), we get a palindrome (2266336622).

The spelling of 2143213210 in words is "two billion, one hundred forty-three million, two hundred thirteen thousand, two hundred ten".