212440013214437 has 2 divisors, whose sum is σ = 212440013214438. Its totient is φ = 212440013214436.

The previous prime is 212440013214371. The next prime is 212440013214487. The reversal of 212440013214437 is 734412310044212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182898548952001 + 29541464262436 = 13523999^2 + 5435206^2 .

It is a cyclic number.

It is not a de Polignac number, because 212440013214437 - 2³⁴ = 212422833345253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212440013214437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212440013214487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106220006607218 + 106220006607219.

It is an arithmetic number, because the mean of its divisors is an integer number (106220006607219).

Almost surely, 2^{212440013214437} is an apocalyptic number.

It is an amenable number.

212440013214437 is a deficient number, since it is larger than the sum of its proper divisors (1).

212440013214437 is an equidigital number, since it uses as much as digits as its factorization.

212440013214437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

Adding to 212440013214437 its reverse (734412310044212), we get a palindrome (946852323258649).

The spelling of 212440013214437 in words is "two hundred twelve trillion, four hundred forty billion, thirteen million, two hundred fourteen thousand, four hundred thirty-seven".