1213202030213 has 2 divisors, whose sum is σ = 1213202030214. Its totient is φ = 1213202030212.

The previous prime is 1213202030197. The next prime is 1213202030239. The reversal of 1213202030213 is 3120302023121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1069118776324 + 144083253889 = 1033982^2 + 379583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213202030213 - 2⁴ = 1213202030197 is a prime.

It is a super-2 number, since 2×1213202030213² (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 (1213202930213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606601015106 + 606601015107.

It is an arithmetic number, because the mean of its divisors is an integer number (606601015107).

Almost surely, 2^{1213202030213} is an apocalyptic number.

It is an amenable number.

1213202030213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213202030213 is an equidigital number, since it uses as much as digits as its factorization.

1213202030213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1213202030213 its reverse (3120302023121), we get a palindrome (4333504053334).

The spelling of 1213202030213 in words is "one trillion, two hundred thirteen billion, two hundred two million, thirty thousand, two hundred thirteen".