212444534527 has 2 divisors, whose sum is σ = 212444534528. Its totient is φ = 212444534526.

The previous prime is 212444534509. The next prime is 212444534537. The reversal of 212444534527 is 725435444212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212444534527 - 2²³ = 212436145919 is a prime.

It is a super-2 number, since 2×212444534527² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212444534537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106222267263 + 106222267264.

It is an arithmetic number, because the mean of its divisors is an integer number (106222267264).

Almost surely, 2^212444534527 is an apocalyptic number.

212444534527 is a deficient number, since it is larger than the sum of its proper divisors (1).

212444534527 is an equidigital number, since it uses as much as digits as its factorization.

212444534527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1075200, while the sum is 43.

Adding to 212444534527 its reverse (725435444212), we get a palindrome (937879978739).

The spelling of 212444534527 in words is "two hundred twelve billion, four hundred forty-four million, five hundred thirty-four thousand, five hundred twenty-seven".