212122040242324 has 6 divisors (see below), whose sum is σ = 371213570424074. Its totient is φ = 106061020121160.

The previous prime is 212122040242283. The next prime is 212122040242327. The reversal of 212122040242324 is 423242040221212.

It can be written as a sum of positive squares in only one way, i.e., 150869190225924 + 61252850016400 = 12282882^2 + 7826420^2 .

It is a super-2 number, since 2×212122040242324² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212122040242327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26515255030287 + ... + 26515255030294.

Almost surely, 2^{212122040242324} is an apocalyptic number.

It is an amenable number.

212122040242324 is a deficient number, since it is larger than the sum of its proper divisors (159091530181750).

212122040242324 is a wasteful number, since it uses less digits than its factorization.

212122040242324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53030510060585 (or 53030510060583 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 212122040242324 its reverse (423242040221212), we get a palindrome (635364080463536).

The spelling of 212122040242324 in words is "two hundred twelve trillion, one hundred twenty-two billion, forty million, two hundred forty-two thousand, three hundred twenty-four".