212010010120823 has 2 divisors, whose sum is σ = 212010010120824. Its totient is φ = 212010010120822.

The previous prime is 212010010120789. The next prime is 212010010120837. The reversal of 212010010120823 is 328021010010212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212010010120823 - 2¹² = 212010010116727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212010010128823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005005060411 + 106005005060412.

It is an arithmetic number, because the mean of its divisors is an integer number (106005005060412).

Almost surely, 2^{212010010120823} is an apocalyptic number.

212010010120823 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010010120823 is an equidigital number, since it uses as much as digits as its factorization.

212010010120823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The spelling of 212010010120823 in words is "two hundred twelve trillion, ten billion, ten million, one hundred twenty thousand, eight hundred twenty-three".