2143102012 has 12 divisors (see below), whose sum is σ = 3851791720. Its totient is φ = 1042590096.

The previous prime is 2143102007. The next prime is 2143102019. The reversal of 2143102012 is 2102013412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143102019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7240062 + ... + 7240357.

Almost surely, 2^2143102012 is an apocalyptic number.

It is an amenable number.

2143102012 is a deficient number, since it is larger than the sum of its proper divisors (1708689708).

2143102012 is a wasteful number, since it uses less digits than its factorization.

2143102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14480460 (or 14480458 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2143102012 is about 46293.6498021057. The cubic root of 2143102012 is about 1289.2810953394.

Adding to 2143102012 its reverse (2102013412), we get a palindrome (4245115424).

The spelling of 2143102012 in words is "two billion, one hundred forty-three million, one hundred two thousand, twelve".