12421770027 has 16 divisors (see below), whose sum is σ = 16728691200. Its totient is φ = 8198068032.

The previous prime is 12421770017. The next prime is 12421770073. The reversal of 12421770027 is 72007712421.

12421770027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12421770027 - 2¹¹ = 12421767979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12421770027.

It is not an unprimeable number, because it can be changed into a prime (12421770017) 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 15 ways as a sum of consecutive naturals, for example, 1432218 + ... + 1440864.

It is an arithmetic number, because the mean of its divisors is an integer number (1045543200).

Almost surely, 2^12421770027 is an apocalyptic number.

12421770027 is a deficient number, since it is larger than the sum of its proper divisors (4306921173).

12421770027 is a wasteful number, since it uses less digits than its factorization.

12421770027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13402.

The product of its (nonzero) digits is 10976, while the sum is 33.

The spelling of 12421770027 in words is "twelve billion, four hundred twenty-one million, seven hundred seventy thousand, twenty-seven".