1212210202219 has 2 divisors, whose sum is σ = 1212210202220. Its totient is φ = 1212210202218.

The previous prime is 1212210202207. The next prime is 1212210202237. The reversal of 1212210202219 is 9122020122121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210202219 - 2²⁹ = 1211673331307 is a prime.

It is a super-2 number, since 2×1212210202219² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212210202193 and 1212210202202.

It is not a weakly prime, because it can be changed into another prime (1212210202249) 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, 606105101109 + 606105101110.

It is an arithmetic number, because the mean of its divisors is an integer number (606105101110).

Almost surely, 2^{1212210202219} is an apocalyptic number.

1212210202219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210202219 is an equidigital number, since it uses as much as digits as its factorization.

1212210202219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1212210202219 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred two thousand, two hundred nineteen".