1213220323093 has 2 divisors, whose sum is σ = 1213220323094. Its totient is φ = 1213220323092.

The previous prime is 1213220323087. The next prime is 1213220323097. The reversal of 1213220323093 is 3903230223121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140884606884 + 72335716209 = 1068122^2 + 268953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213220323093 - 2²⁹ = 1212683452181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213220323097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606610161546 + 606610161547.

It is an arithmetic number, because the mean of its divisors is an integer number (606610161547).

Almost surely, 2^{1213220323093} is an apocalyptic number.

It is an amenable number.

1213220323093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213220323093 is an equidigital number, since it uses as much as digits as its factorization.

1213220323093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 1213220323093 in words is "one trillion, two hundred thirteen billion, two hundred twenty million, three hundred twenty-three thousand, ninety-three".