12221423013 has 8 divisors (see below), whose sum is σ = 16295776128. Its totient is φ = 8147342624.

The previous prime is 12221423009. The next prime is 12221423041. The reversal of 12221423013 is 31032412221.

12221423013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12221423013 - 2² = 12221423009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221422013) 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 7 ways as a sum of consecutive naturals, for example, 86545 + ... + 178697.

It is an arithmetic number, because the mean of its divisors is an integer number (2036972016).

Almost surely, 2^12221423013 is an apocalyptic number.

It is an amenable number.

12221423013 is a deficient number, since it is larger than the sum of its proper divisors (4074353115).

12221423013 is an equidigital number, since it uses as much as digits as its factorization.

12221423013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136363.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12221423013 its reverse (31032412221), we get a palindrome (43253835234).

The spelling of 12221423013 in words is "twelve billion, two hundred twenty-one million, four hundred twenty-three thousand, thirteen".