12213200001001 has 2 divisors, whose sum is σ = 12213200001002. Its totient is φ = 12213200001000.

The previous prime is 12213200000959. The next prime is 12213200001049. The reversal of 12213200001001 is 10010000231221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8126353656976 + 4086846344025 = 2850676^2 + 2021595^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213200001001 - 2¹⁹ = 12213199476713 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213200001061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106600000500 + 6106600000501.

It is an arithmetic number, because the mean of its divisors is an integer number (6106600000501).

Almost surely, 2^{12213200001001} is an apocalyptic number.

It is an amenable number.

12213200001001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213200001001 is an equidigital number, since it uses as much as digits as its factorization.

12213200001001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12213200001001 its reverse (10010000231221), we get a palindrome (22223200232222).

The spelling of 12213200001001 in words is "twelve trillion, two hundred thirteen billion, two hundred million, one thousand, one".