2102143412 has 12 divisors (see below), whose sum is σ = 3699076836. Its totient is φ = 1045264320.

The previous prime is 2102143411. The next prime is 2102143429. The reversal of 2102143412 is 2143412012.

It can be written as a sum of positive squares in 2 ways, for example, as 374577316 + 1727566096 = 19354^2 + 41564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102143411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451033 + ... + 1452480.

It is an arithmetic number, because the mean of its divisors is an integer number (308256403).

Almost surely, 2^2102143412 is an apocalyptic number.

It is an amenable number.

2102143412 is a deficient number, since it is larger than the sum of its proper divisors (1596933424).

2102143412 is a wasteful number, since it uses less digits than its factorization.

2102143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903698 (or 2903696 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2102143412 is about 45849.1375273298. The cubic root of 2102143412 is about 1281.0147007697.

Adding to 2102143412 its reverse (2143412012), we get a palindrome (4245555424).

The spelling of 2102143412 in words is "two billion, one hundred two million, one hundred forty-three thousand, four hundred twelve".