12878750273 has 4 divisors (see below), whose sum is σ = 13322845140. Its totient is φ = 12434655408.

The previous prime is 12878750243. The next prime is 12878750293. The reversal of 12878750273 is 37205787821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4295098369 + 8583651904 = 65537^2 + 92648^2 .

It is a cyclic number.

It is not a de Polignac number, because 12878750273 - 2¹⁶ = 12878684737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12878750243) 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, 222047390 + ... + 222047447.

It is an arithmetic number, because the mean of its divisors is an integer number (3330711285).

Almost surely, 2^12878750273 is an apocalyptic number.

It is an amenable number.

12878750273 is a deficient number, since it is larger than the sum of its proper divisors (444094867).

12878750273 is an equidigital number, since it uses as much as digits as its factorization.

12878750273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444094866.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 12878750273 in words is "twelve billion, eight hundred seventy-eight million, seven hundred fifty thousand, two hundred seventy-three".