2143204012 has 48 divisors (see below), whose sum is σ = 3891875904. Its totient is φ = 1032192000.

The previous prime is 2143204001. The next prime is 2143204027. The reversal of 2143204012 is 2104023412.

It is a super-2 number, since 2×2143204012² = 9186646874105792288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3343212 + ... + 3343852.

It is an arithmetic number, because the mean of its divisors is an integer number (81080748).

Almost surely, 2^2143204012 is an apocalyptic number.

It is an amenable number.

2143204012 is a deficient number, since it is larger than the sum of its proper divisors (1748671892).

2143204012 is a wasteful number, since it uses less digits than its factorization.

2143204012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2143204012 is about 46294.7514519735. The cubic root of 2143204012 is about 1289.3015492710.

Adding to 2143204012 its reverse (2104023412), we get a palindrome (4247227424).

The spelling of 2143204012 in words is "two billion, one hundred forty-three million, two hundred four thousand, twelve".