1213222223027 has 2 divisors, whose sum is σ = 1213222223028. Its totient is φ = 1213222223026.

The previous prime is 1213222223021. The next prime is 1213222223137. The reversal of 1213222223027 is 7203222223121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213222223027 - 2⁶ = 1213222222963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213222223021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606611111513 + 606611111514.

It is an arithmetic number, because the mean of its divisors is an integer number (606611111514).

Almost surely, 2^{1213222223027} is an apocalyptic number.

1213222223027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213222223027 is an equidigital number, since it uses as much as digits as its factorization.

1213222223027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 1213222223027 its reverse (7203222223121), we get a palindrome (8416444446148).

The spelling of 1213222223027 in words is "one trillion, two hundred thirteen billion, two hundred twenty-two million, two hundred twenty-three thousand, twenty-seven".