212102124407 has 2 divisors, whose sum is σ = 212102124408. Its totient is φ = 212102124406.

The previous prime is 212102124397. The next prime is 212102124419. The reversal of 212102124407 is 704421201212.

It is a happy number.

212102124407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212102124407 - 2⁴ = 212102124391 is a prime.

It is a super-2 number, since 2×212102124407² (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 (212102114407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051062203 + 106051062204.

It is an arithmetic number, because the mean of its divisors is an integer number (106051062204).

Almost surely, 2^212102124407 is an apocalyptic number.

212102124407 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102124407 is an equidigital number, since it uses as much as digits as its factorization.

212102124407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 212102124407 its reverse (704421201212), we get a palindrome (916523325619).

The spelling of 212102124407 in words is "two hundred twelve billion, one hundred two million, one hundred twenty-four thousand, four hundred seven".