1230330221273 has 2 divisors, whose sum is σ = 1230330221274. Its totient is φ = 1230330221272.

The previous prime is 1230330221233. The next prime is 1230330221317. The reversal of 1230330221273 is 3721220330321.

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., 1203119409424 + 27210811849 = 1096868^2 + 164957^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230330221273 - 2²⁸ = 1230061785817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230330221233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615165110636 + 615165110637.

It is an arithmetic number, because the mean of its divisors is an integer number (615165110637).

Almost surely, 2^{1230330221273} is an apocalyptic number.

It is an amenable number.

1230330221273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230330221273 is an equidigital number, since it uses as much as digits as its factorization.

1230330221273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 1230330221273 its reverse (3721220330321), we get a palindrome (4951550551594).

The spelling of 1230330221273 in words is "one trillion, two hundred thirty billion, three hundred thirty million, two hundred twenty-one thousand, two hundred seventy-three".