211212001201213 has 2 divisors, whose sum is σ = 211212001201214. Its totient is φ = 211212001201212.

The previous prime is 211212001201139. The next prime is 211212001201219. The reversal of 211212001201213 is 312102100212112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147476080224729 + 63735920976484 = 12143973^2 + 7983478^2 .

It is a cyclic number.

It is not a de Polignac number, because 211212001201213 - 2¹³ = 211212001193021 is a prime.

It is a super-2 number, since 2×211212001201213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211212001201219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105606000600606 + 105606000600607.

It is an arithmetic number, because the mean of its divisors is an integer number (105606000600607).

Almost surely, 2^{211212001201213} is an apocalyptic number.

It is an amenable number.

211212001201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

211212001201213 is an equidigital number, since it uses as much as digits as its factorization.

211212001201213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211212001201213 its reverse (312102100212112), we get a palindrome (523314101413325).

The spelling of 211212001201213 in words is "two hundred eleven trillion, two hundred twelve billion, one million, two hundred one thousand, two hundred thirteen".