12213331013 has 8 divisors (see below), whose sum is σ = 13288415448. Its totient is φ = 11157617664.

The previous prime is 12213331007. The next prime is 12213331021. The reversal of 12213331013 is 31013331221.

It can be written as a sum of positive squares in 4 ways, for example, as 130484929 + 12082846084 = 11423^2 + 109922^2 .

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 12213331013 - 2⁶ = 12213330949 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 (12213331513) 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, 4841456 + ... + 4843977.

It is an arithmetic number, because the mean of its divisors is an integer number (1661051931).

Almost surely, 2^12213331013 is an apocalyptic number.

12213331013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12213331013 is a deficient number, since it is larger than the sum of its proper divisors (1075084435).

12213331013 is an equidigital number, since it uses as much as digits as its factorization.

12213331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9685543.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12213331013 its reverse (31013331221), we get a palindrome (43226662234).

The spelling of 12213331013 in words is "twelve billion, two hundred thirteen million, three hundred thirty-one thousand, thirteen".