1332301221257 has 2 divisors, whose sum is σ = 1332301221258. Its totient is φ = 1332301221256.

The previous prime is 1332301221221. The next prime is 1332301221287. The reversal of 1332301221257 is 7521221032331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 768534508921 + 563766712336 = 876661^2 + 750844^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332301221257 - 2⁸ = 1332301221001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1332301221287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666150610628 + 666150610629.

It is an arithmetic number, because the mean of its divisors is an integer number (666150610629).

Almost surely, 2^{1332301221257} is an apocalyptic number.

It is an amenable number.

1332301221257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332301221257 is an equidigital number, since it uses as much as digits as its factorization.

1332301221257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 1332301221257 its reverse (7521221032331), we get a palindrome (8853522253588).

The spelling of 1332301221257 in words is "one trillion, three hundred thirty-two billion, three hundred one million, two hundred twenty-one thousand, two hundred fifty-seven".