1230223212289 has 2 divisors, whose sum is σ = 1230223212290. Its totient is φ = 1230223212288.

The previous prime is 1230223212247. The next prime is 1230223212307. The reversal of 1230223212289 is 9822123220321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170687212289 + 59536000000 = 1081983^2 + 244000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230223212289 - 2⁷ = 1230223212161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230223212989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615111606144 + 615111606145.

It is an arithmetic number, because the mean of its divisors is an integer number (615111606145).

Almost surely, 2^{1230223212289} is an apocalyptic number.

It is an amenable number.

1230223212289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230223212289 is an equidigital number, since it uses as much as digits as its factorization.

1230223212289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 1230223212289 in words is "one trillion, two hundred thirty billion, two hundred twenty-three million, two hundred twelve thousand, two hundred eighty-nine".