12213123213013 has 8 divisors (see below), whose sum is σ = 12351123955800. Its totient is φ = 12075139684608.

The previous prime is 12213123213007. The next prime is 12213123213029. The reversal of 12213123213013 is 31031232131221.

It can be written as a sum of positive squares in 4 ways, for example, as 988626524209 + 11224496688804 = 994297^2 + 3350298^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213123213013 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 (12213123219013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873968 + ... + 5717161.

It is an arithmetic number, because the mean of its divisors is an integer number (1543890494475).

Almost surely, 2^{12213123213013} is an apocalyptic number.

It is an amenable number.

12213123213013 is a deficient number, since it is larger than the sum of its proper divisors (138000742787).

12213123213013 is an equidigital number, since it uses as much as digits as its factorization.

12213123213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8607191.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12213123213013 its reverse (31031232131221), we get a palindrome (43244355344234).

The spelling of 12213123213013 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-three million, two hundred thirteen thousand, thirteen".