12678226288 has 60 divisors (see below), whose sum is σ = 30772587720. Its totient is φ = 5015558016.

The previous prime is 12678226277. The next prime is 12678226291. The reversal of 12678226288 is 88262287621.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611778 + ... + 632161.

It is an arithmetic number, because the mean of its divisors is an integer number (512876462).

Almost surely, 2^12678226288 is an apocalyptic number.

It is an amenable number.

12678226288 is an abundant number, since it is smaller than the sum of its proper divisors (18094361432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12678226288 is a wasteful number, since it uses less digits than its factorization.

12678226288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243974 (or 1243961 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The spelling of 12678226288 in words is "twelve billion, six hundred seventy-eight million, two hundred twenty-six thousand, two hundred eighty-eight".