1242332332357 has 2 divisors, whose sum is σ = 1242332332358. Its totient is φ = 1242332332356.

The previous prime is 1242332332333. The next prime is 1242332332363. The reversal of 1242332332357 is 7532332332421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1142192362756 + 100139969601 = 1068734^2 + 316449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242332332357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242332332387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621166166178 + 621166166179.

It is an arithmetic number, because the mean of its divisors is an integer number (621166166179).

Almost surely, 2^{1242332332357} is an apocalyptic number.

It is an amenable number.

1242332332357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242332332357 is an equidigital number, since it uses as much as digits as its factorization.

1242332332357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 40.

Adding to 1242332332357 its reverse (7532332332421), we get a palindrome (8774664664778).

The spelling of 1242332332357 in words is "one trillion, two hundred forty-two billion, three hundred thirty-two million, three hundred thirty-two thousand, three hundred fifty-seven".