1212200012213 has 2 divisors, whose sum is σ = 1212200012214. Its totient is φ = 1212200012212.

The previous prime is 1212200012201. The next prime is 1212200012269. The reversal of 1212200012213 is 3122100022121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1210356426244 + 1843585969 = 1100162^2 + 42937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212200012213 - 2⁴ = 1212200012197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212200012191 and 1212200012200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212200012713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606100006106 + 606100006107.

It is an arithmetic number, because the mean of its divisors is an integer number (606100006107).

Almost surely, 2^{1212200012213} is an apocalyptic number.

It is an amenable number.

1212200012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212200012213 is an equidigital number, since it uses as much as digits as its factorization.

1212200012213 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 17.

Adding to 1212200012213 its reverse (3122100022121), we get a palindrome (4334300034334).

The spelling of 1212200012213 in words is "one trillion, two hundred twelve billion, two hundred million, twelve thousand, two hundred thirteen".