1212210202013 has 2 divisors, whose sum is σ = 1212210202014. Its totient is φ = 1212210202012.

The previous prime is 1212210202009. The next prime is 1212210202051. The reversal of 1212210202013 is 3102020122121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 650374505764 + 561835696249 = 806458^2 + 749557^2 .

It is an emirp because it is prime and its reverse (3102020122121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210202013 - 2² = 1212210202009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212210201982 and 1212210202000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212216202013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105101006 + 606105101007.

It is an arithmetic number, because the mean of its divisors is an integer number (606105101007).

Almost surely, 2^{1212210202013} is an apocalyptic number.

It is an amenable number.

1212210202013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210202013 is an equidigital number, since it uses as much as digits as its factorization.

1212210202013 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 17.

Adding to 1212210202013 its reverse (3102020122121), we get a palindrome (4314230324134).

The spelling of 1212210202013 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred two thousand, thirteen".