2112143204 has 6 divisors (see below), whose sum is σ = 3696250614. Its totient is φ = 1056071600.

The previous prime is 2112143203. The next prime is 2112143207. The reversal of 2112143204 is 4023412112.

It can be written as a sum of positive squares in only one way, i.e., 1931778304 + 180364900 = 43952^2 + 13430^2 .

It is a super-2 number, since 2×2112143204² = 8922297828406771232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112143203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264017897 + ... + 264017904.

It is an arithmetic number, because the mean of its divisors is an integer number (616041769).

Almost surely, 2^2112143204 is an apocalyptic number.

It is an amenable number.

2112143204 is a deficient number, since it is larger than the sum of its proper divisors (1584107410).

2112143204 is a wasteful number, since it uses less digits than its factorization.

2112143204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528035805 (or 528035803 counting only the distinct ones).

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

The square root of 2112143204 is about 45958.0591844347. The cubic root of 2112143204 is about 1283.0427295592.

Adding to 2112143204 its reverse (4023412112), we get a palindrome (6135555316).

The spelling of 2112143204 in words is "two billion, one hundred twelve million, one hundred forty-three thousand, two hundred four".