210312121212979 has 2 divisors, whose sum is σ = 210312121212980. Its totient is φ = 210312121212978.

The previous prime is 210312121212953. The next prime is 210312121213021. The reversal of 210312121212979 is 979212121213012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210312121212979 - 2¹⁵ = 210312121180211 is a prime.

It is not a weakly prime, because it can be changed into another prime (210312121212079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105156060606489 + 105156060606490.

It is an arithmetic number, because the mean of its divisors is an integer number (105156060606490).

Almost surely, 2^{210312121212979} is an apocalyptic number.

210312121212979 is a deficient number, since it is larger than the sum of its proper divisors (1).

210312121212979 is an equidigital number, since it uses as much as digits as its factorization.

210312121212979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 210312121212979 in words is "two hundred ten trillion, three hundred twelve billion, one hundred twenty-one million, two hundred twelve thousand, nine hundred seventy-nine".