1331212010347 has 2 divisors, whose sum is σ = 1331212010348. Its totient is φ = 1331212010346.

The previous prime is 1331212010281. The next prime is 1331212010363. The reversal of 1331212010347 is 7430102121331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331212010347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331242010347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665606005173 + 665606005174.

It is an arithmetic number, because the mean of its divisors is an integer number (665606005174).

Almost surely, 2^{1331212010347} is an apocalyptic number.

1331212010347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331212010347 is an equidigital number, since it uses as much as digits as its factorization.

1331212010347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 1331212010347 its reverse (7430102121331), we get a palindrome (8761314131678).

The spelling of 1331212010347 in words is "one trillion, three hundred thirty-one billion, two hundred twelve million, ten thousand, three hundred forty-seven".