12943214973 has 12 divisors (see below), whose sum is σ = 20133890140. Its totient is φ = 7965055296.

The previous prime is 12943214969. The next prime is 12943215023. The reversal of 12943214973 is 37941234921.

12943214973 is a `hidden beast` number, since 1 + 2 + 9 + 432 + 149 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8248635684 + 4694579289 = 90822^2 + 68517^2 .

It is not a de Polignac number, because 12943214973 - 2² = 12943214969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12943214173) 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, 55312768 + ... + 55313001.

Almost surely, 2^12943214973 is an apocalyptic number.

12943214973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12943214973 is a deficient number, since it is larger than the sum of its proper divisors (7190675167).

12943214973 is a wasteful number, since it uses less digits than its factorization.

12943214973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110625788 (or 110625785 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The spelling of 12943214973 in words is "twelve billion, nine hundred forty-three million, two hundred fourteen thousand, nine hundred seventy-three".