212431121300404 has 6 divisors (see below), whose sum is σ = 371754462275714. Its totient is φ = 106215560650200.

The previous prime is 212431121300401. The next prime is 212431121300407. The reversal of 212431121300404 is 404003121134212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212431121300401) and next prime (212431121300407).

It can be written as a sum of positive squares in only one way, i.e., 154963957196304 + 57467164104100 = 12448452^2 + 7580710^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212431121300401) 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, 26553890162547 + ... + 26553890162554.

Almost surely, 2^{212431121300404} is an apocalyptic number.

It is an amenable number.

212431121300404 is a deficient number, since it is larger than the sum of its proper divisors (159323340975310).

212431121300404 is a wasteful number, since it uses less digits than its factorization.

212431121300404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53107780325105 (or 53107780325103 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 212431121300404 its reverse (404003121134212), we get a palindrome (616434242434616).

The spelling of 212431121300404 in words is "two hundred twelve trillion, four hundred thirty-one billion, one hundred twenty-one million, three hundred thousand, four hundred four".