212123430276907 has 2 divisors, whose sum is σ = 212123430276908. Its totient is φ = 212123430276906.

The previous prime is 212123430276881. The next prime is 212123430276977. The reversal of 212123430276907 is 709672034321212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212123430276907 is a prime.

It is not a weakly prime, because it can be changed into another prime (212123430276977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106061715138453 + 106061715138454.

It is an arithmetic number, because the mean of its divisors is an integer number (106061715138454).

Almost surely, 2^{212123430276907} is an apocalyptic number.

212123430276907 is a deficient number, since it is larger than the sum of its proper divisors (1).

212123430276907 is an equidigital number, since it uses as much as digits as its factorization.

212123430276907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 212123430276907 in words is "two hundred twelve trillion, one hundred twenty-three billion, four hundred thirty million, two hundred seventy-six thousand, nine hundred seven".