12213545413 has 8 divisors (see below), whose sum is σ = 12239876376. Its totient is φ = 12187238400.

The previous prime is 12213545389. The next prime is 12213545417. The reversal of 12213545413 is 31454531221.

It can be written as a sum of positive squares in 4 ways, for example, as 7022775204 + 5190770209 = 83802^2 + 72047^2 .

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 12213545413 - 2⁵ = 12213545381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213545417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1311333 + ... + 1320613.

It is an arithmetic number, because the mean of its divisors is an integer number (1529984547).

Almost surely, 2^12213545413 is an apocalyptic number.

It is an amenable number.

12213545413 is a deficient number, since it is larger than the sum of its proper divisors (26330963).

12213545413 is an equidigital number, since it uses as much as digits as its factorization.

12213545413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11975.

The product of its digits is 14400, while the sum is 31.

The spelling of 12213545413 in words is "twelve billion, two hundred thirteen million, five hundred forty-five thousand, four hundred thirteen".