212441311243387 has 2 divisors, whose sum is σ = 212441311243388. Its totient is φ = 212441311243386.

The previous prime is 212441311243367. The next prime is 212441311243457. The reversal of 212441311243387 is 783342113144212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212441311243387 is a prime.

It is not a weakly prime, because it can be changed into another prime (212441311243367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106220655621693 + 106220655621694.

It is an arithmetic number, because the mean of its divisors is an integer number (106220655621694).

Almost surely, 2^{212441311243387} is an apocalyptic number.

212441311243387 is a deficient number, since it is larger than the sum of its proper divisors (1).

212441311243387 is an equidigital number, since it uses as much as digits as its factorization.

212441311243387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

Adding to 212441311243387 its reverse (783342113144212), we get a palindrome (995783424387599).

The spelling of 212441311243387 in words is "two hundred twelve trillion, four hundred forty-one billion, three hundred eleven million, two hundred forty-three thousand, three hundred eighty-seven".