1203232023221 has 2 divisors, whose sum is σ = 1203232023222. Its totient is φ = 1203232023220.

The previous prime is 1203232023211. The next prime is 1203232023229. The reversal of 1203232023221 is 1223202323021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1197820802500 + 5411220721 = 1094450^2 + 73561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203232023221 - 2¹⁸ = 1203231761077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203232023229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601616011610 + 601616011611.

It is an arithmetic number, because the mean of its divisors is an integer number (601616011611).

Almost surely, 2^{1203232023221} is an apocalyptic number.

It is an amenable number.

1203232023221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203232023221 is an equidigital number, since it uses as much as digits as its factorization.

1203232023221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1203232023221 its reverse (1223202323021), we get a palindrome (2426434346242).

The spelling of 1203232023221 in words is "one trillion, two hundred three billion, two hundred thirty-two million, twenty-three thousand, two hundred twenty-one".