12258330771 has 4 divisors (see below), whose sum is σ = 16344441032. Its totient is φ = 8172220512.

The previous prime is 12258330767. The next prime is 12258330797. The reversal of 12258330771 is 17703385221.

12258330771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12258330771 - 2² = 12258330767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12258330751) 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, 2043055126 + ... + 2043055131.

It is an arithmetic number, because the mean of its divisors is an integer number (4086110258).

Almost surely, 2^12258330771 is an apocalyptic number.

12258330771 is a deficient number, since it is larger than the sum of its proper divisors (4086110261).

12258330771 is an equidigital number, since it uses as much as digits as its factorization.

12258330771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086110260.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 12258330771 in words is "twelve billion, two hundred fifty-eight million, three hundred thirty thousand, seven hundred seventy-one".