12213472608 has 72 divisors (see below), whose sum is σ = 34742785896. Its totient is φ = 4069900800.

The previous prime is 12213472573. The next prime is 12213472637. The reversal of 12213472608 is 80627431221.

It is a happy number.

12213472608 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 3 + 47 + 2 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1690123 + ... + 1697333.

It is an arithmetic number, because the mean of its divisors is an integer number (482538693).

Almost surely, 2^12213472608 is an apocalyptic number.

12213472608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12213472608 is an abundant number, since it is smaller than the sum of its proper divisors (22529313288).

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

12213472608 is a wasteful number, since it uses less digits than its factorization.

12213472608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13108 (or 13097 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 12213472608 in words is "twelve billion, two hundred thirteen million, four hundred seventy-two thousand, six hundred eight".