12678329011880 has 32 divisors (see below), whose sum is σ = 32601417459840. Its totient is φ = 4346855661120.

The previous prime is 12678329011879. The next prime is 12678329011927. The reversal of 12678329011880 is 8811092387621.

12678329011880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12678329011880² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22639872956 + ... + 22639873515.

It is an arithmetic number, because the mean of its divisors is an integer number (1018794295620).

Almost surely, 2^{12678329011880} is an apocalyptic number.

12678329011880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12678329011880 is an abundant number, since it is smaller than the sum of its proper divisors (19923088447960).

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

12678329011880 is a wasteful number, since it uses less digits than its factorization.

12678329011880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45279746489 (or 45279746485 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 56.

The spelling of 12678329011880 in words is "twelve trillion, six hundred seventy-eight billion, three hundred twenty-nine million, eleven thousand, eight hundred eighty".