12668480412 has 48 divisors (see below), whose sum is σ = 33830963712. Its totient is φ = 3614385600.

The previous prime is 12668480411. The next prime is 12668480441. The reversal of 12668480412 is 21408486621.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12668480411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48688 + ... + 166455.

It is an arithmetic number, because the mean of its divisors is an integer number (704811744).

Almost surely, 2^12668480412 is an apocalyptic number.

12668480412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12668480412 is an abundant number, since it is smaller than the sum of its proper divisors (21162483300).

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

12668480412 is a wasteful number, since it uses less digits than its factorization.

12668480412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215858 (or 215856 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 12668480412 in words is "twelve billion, six hundred sixty-eight million, four hundred eighty thousand, four hundred twelve".