12412788878 has 12 divisors (see below), whose sum is σ = 21659050152. Its totient is φ = 5319766620.

The previous prime is 12412788851. The next prime is 12412788889. The reversal of 12412788878 is 87888721421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63330458 + ... + 63330653.

It is an arithmetic number, because the mean of its divisors is an integer number (1804920846).

Almost surely, 2^12412788878 is an apocalyptic number.

12412788878 is a deficient number, since it is larger than the sum of its proper divisors (9246261274).

12412788878 is a wasteful number, since it uses less digits than its factorization.

12412788878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126661127 (or 126661120 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 56.

The spelling of 12412788878 in words is "twelve billion, four hundred twelve million, seven hundred eighty-eight thousand, eight hundred seventy-eight".