12213063939 has 4 divisors (see below), whose sum is σ = 16284085256. Its totient is φ = 8142042624.

The previous prime is 12213063937. The next prime is 12213063971. The reversal of 12213063939 is 93936031221.

12213063939 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 12213063939 - 2¹ = 12213063937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213063897 and 12213063906.

It is not an unprimeable number, because it can be changed into a prime (12213063937) 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, 2035510654 + ... + 2035510659.

It is an arithmetic number, because the mean of its divisors is an integer number (4071021314).

Almost surely, 2^12213063939 is an apocalyptic number.

12213063939 is a deficient number, since it is larger than the sum of its proper divisors (4071021317).

12213063939 is an equidigital number, since it uses as much as digits as its factorization.

12213063939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071021316.

The product of its (nonzero) digits is 52488, while the sum is 39.

The spelling of 12213063939 in words is "twelve billion, two hundred thirteen million, sixty-three thousand, nine hundred thirty-nine".