2001200212213 has 2 divisors, whose sum is σ = 2001200212214. Its totient is φ = 2001200212212.

The previous prime is 2001200212153. The next prime is 2001200212229. The reversal of 2001200212213 is 3122120021002.

It is a happy number.

It is an a-pointer prime, because the next prime (2001200212229) can be obtained adding 2001200212213 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1857109366564 + 144090845649 = 1362758^2 + 379593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001200212213 is a prime.

It is a super-2 number, since 2×2001200212213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001200212243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000600106106 + 1000600106107.

It is an arithmetic number, because the mean of its divisors is an integer number (1000600106107).

Almost surely, 2^{2001200212213} is an apocalyptic number.

It is an amenable number.

2001200212213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001200212213 is an equidigital number, since it uses as much as digits as its factorization.

2001200212213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2001200212213 its reverse (3122120021002), we get a palindrome (5123320233215).

The spelling of 2001200212213 in words is "two trillion, one billion, two hundred million, two hundred twelve thousand, two hundred thirteen".