212124340979 has 2 divisors, whose sum is σ = 212124340980. Its totient is φ = 212124340978.

The previous prime is 212124340951. The next prime is 212124341017. The reversal of 212124340979 is 979043421212.

212124340979 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 212124340979 - 2¹⁶ = 212124275443 is a prime.

It is a super-3 number, since 3×212124340979³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (212124342979) 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, 106062170489 + 106062170490.

It is an arithmetic number, because the mean of its divisors is an integer number (106062170490).

Almost surely, 2^212124340979 is an apocalyptic number.

212124340979 is a deficient number, since it is larger than the sum of its proper divisors (1).

212124340979 is an equidigital number, since it uses as much as digits as its factorization.

212124340979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 212124340979 in words is "two hundred twelve billion, one hundred twenty-four million, three hundred forty thousand, nine hundred seventy-nine".