1212213222293 has 2 divisors, whose sum is σ = 1212213222294. Its totient is φ = 1212213222292.

The previous prime is 1212213222257. The next prime is 1212213222343. The reversal of 1212213222293 is 3922223122121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1159537005124 + 52676217169 = 1076818^2 + 229513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212213222293 - 2⁶ = 1212213222229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212213222893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606106611146 + 606106611147.

It is an arithmetic number, because the mean of its divisors is an integer number (606106611147).

Almost surely, 2^{1212213222293} is an apocalyptic number.

It is an amenable number.

1212213222293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212213222293 is an equidigital number, since it uses as much as digits as its factorization.

1212213222293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The spelling of 1212213222293 in words is "one trillion, two hundred twelve billion, two hundred thirteen million, two hundred twenty-two thousand, two hundred ninety-three".