2143404200312 has 16 divisors (see below), whose sum is σ = 4018898441400. Its totient is φ = 1071697949280.

The previous prime is 2143404200293. The next prime is 2143404200339. The reversal of 2143404200312 is 2130024043412.

It is a congruent number.

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, 3586139 + ... + 4140917.

Almost surely, 2^{2143404200312} is an apocalyptic number.

It is an amenable number.

2143404200312 is a deficient number, since it is larger than the sum of its proper divisors (1875494241088).

2143404200312 is a wasteful number, since it uses less digits than its factorization.

2143404200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037726 (or 1037722 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2143404200312 its reverse (2130024043412), we get a palindrome (4273428243724).

The spelling of 2143404200312 in words is "two trillion, one hundred forty-three billion, four hundred four million, two hundred thousand, three hundred twelve".