12213313012001 has 4 divisors (see below), whose sum is σ = 12254996674452. Its totient is φ = 12171629349552.

The previous prime is 12213313011937. The next prime is 12213313012049. The reversal of 12213313012001 is 10021031331221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8272532192401 + 3940780819600 = 2876201^2 + 1985140^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213313012001 - 2⁶ = 12213313011937 is a prime.

It is a super-2 number, since 2×12213313012001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213313017001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20841830786 + ... + 20841831371.

It is an arithmetic number, because the mean of its divisors is an integer number (3063749168613).

Almost surely, 2^{12213313012001} is an apocalyptic number.

It is an amenable number.

12213313012001 is a deficient number, since it is larger than the sum of its proper divisors (41683662451).

12213313012001 is an equidigital number, since it uses as much as digits as its factorization.

12213313012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41683662450.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12213313012001 its reverse (10021031331221), we get a palindrome (22234344343222).

The spelling of 12213313012001 in words is "twelve trillion, two hundred thirteen billion, three hundred thirteen million, twelve thousand, one".