12885079822 has 4 divisors (see below), whose sum is σ = 19327619736. Its totient is φ = 6442539910.

The previous prime is 12885079783. The next prime is 12885079829. The reversal of 12885079822 is 22897058821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12885079822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885079829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221269954 + ... + 3221269957.

It is an arithmetic number, because the mean of its divisors is an integer number (4831904934).

Almost surely, 2^12885079822 is an apocalyptic number.

12885079822 is a deficient number, since it is larger than the sum of its proper divisors (6442539914).

12885079822 is an equidigital number, since it uses as much as digits as its factorization.

12885079822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442539913.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 12885079822 in words is "twelve billion, eight hundred eighty-five million, seventy-nine thousand, eight hundred twenty-two".