12270551168 has 24 divisors (see below), whose sum is σ = 24447735615. Its totient is φ = 6134648960.

The previous prime is 12270551141. The next prime is 12270551173. The reversal of 12270551168 is 86115507221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 6135275584 + 6135275584 = 78328^2 + 78328^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78328.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1248353 + ... + 1258143.

Almost surely, 2^12270551168 is an apocalyptic number.

It is an amenable number.

12270551168 is a deficient number, since it is larger than the sum of its proper divisors (12177184447).

12270551168 is an frugal number, since it uses more digits than its factorization.

12270551168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19596 (or 9793 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 38.

The spelling of 12270551168 in words is "twelve billion, two hundred seventy million, five hundred fifty-one thousand, one hundred sixty-eight".