2143245012999 has 12 divisors (see below), whose sum is σ = 2906915877816. Its totient is φ = 1404612544048.

The previous prime is 2143245012959. The next prime is 2143245013001. The reversal of 2143245012999 is 9992105423412.

It is not a de Polignac number, because 2143245012999 - 2⁸ = 2143245012743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143245012959) 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 11 ways as a sum of consecutive naturals, for example, 102605904 + ... + 102626789.

It is an arithmetic number, because the mean of its divisors is an integer number (242242989818).

Almost surely, 2^{2143245012999} is an apocalyptic number.

2143245012999 is a deficient number, since it is larger than the sum of its proper divisors (763670864817).

2143245012999 is an equidigital number, since it uses as much as digits as its factorization.

2143245012999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205232814 (or 205232755 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 2143245012999 in words is "two trillion, one hundred forty-three billion, two hundred forty-five million, twelve thousand, nine hundred ninety-nine".