12878995046 has 4 divisors (see below), whose sum is σ = 19318492572. Its totient is φ = 6439497522.

The previous prime is 12878995027. The next prime is 12878995049. The reversal of 12878995046 is 64059987821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64059987821 = 257 ⋅249260653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12878995049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3219748760 + ... + 3219748763.

It is an arithmetic number, because the mean of its divisors is an integer number (4829623143).

Almost surely, 2^12878995046 is an apocalyptic number.

12878995046 is a deficient number, since it is larger than the sum of its proper divisors (6439497526).

12878995046 is an equidigital number, since it uses as much as digits as its factorization.

12878995046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439497525.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 12878995046 in words is "twelve billion, eight hundred seventy-eight million, nine hundred ninety-five thousand, forty-six".