2102443012 has 12 divisors (see below), whose sum is σ = 3713030860. Its totient is φ = 1041577056.

The previous prime is 2102443001. The next prime is 2102443069. The reversal of 2102443012 is 2103442012.

It can be written as a sum of positive squares in 2 ways, for example, as 545035716 + 1557407296 = 23346^2 + 39464^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410623 + ... + 2411494.

Almost surely, 2^2102443012 is an apocalyptic number.

It is an amenable number.

2102443012 is a deficient number, since it is larger than the sum of its proper divisors (1610587848).

2102443012 is a wasteful number, since it uses less digits than its factorization.

2102443012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822230 (or 4822228 counting only the distinct ones).

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

The square root of 2102443012 is about 45852.4046479571. The cubic root of 2102443012 is about 1281.0755551293.

Adding to 2102443012 its reverse (2103442012), we get a palindrome (4205885024).

The spelling of 2102443012 in words is "two billion, one hundred two million, four hundred forty-three thousand, twelve".