12270347072 has 28 divisors (see below), whose sum is σ = 24405258276. Its totient is φ = 6120990720.

The previous prime is 12270347069. The next prime is 12270347077. The reversal of 12270347072 is 27074307221.

12270347072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 394578496 + 11875768576 = 19864^2 + 108976^2 .

It is a super-2 number, since 2×12270347072² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270347077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193679 + ... + 249102.

It is an arithmetic number, because the mean of its divisors is an integer number (871616367).

Almost surely, 2^12270347072 is an apocalyptic number.

It is an amenable number.

12270347072 is a deficient number, since it is larger than the sum of its proper divisors (12134911204).

12270347072 is an equidigital number, since it uses as much as digits as its factorization.

12270347072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443226 (or 443216 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 12270347072 in words is "twelve billion, two hundred seventy million, three hundred forty-seven thousand, seventy-two".