212310113203009 has 2 divisors, whose sum is σ = 212310113203010. Its totient is φ = 212310113203008.

The previous prime is 212310113202997. The next prime is 212310113203037. The reversal of 212310113203009 is 900302311013212.

It is an a-pointer prime, because the next prime (212310113203037) can be obtained adding 212310113203009 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191963879140609 + 20346234062400 = 13855103^2 + 4510680^2 .

It is a cyclic number.

It is not a de Polignac number, because 212310113203009 - 2³⁹ = 211760357389121 is a prime.

It is not a weakly prime, because it can be changed into another prime (212310113203709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106155056601504 + 106155056601505.

It is an arithmetic number, because the mean of its divisors is an integer number (106155056601505).

Almost surely, 2^{212310113203009} is an apocalyptic number.

It is an amenable number.

212310113203009 is a deficient number, since it is larger than the sum of its proper divisors (1).

212310113203009 is an equidigital number, since it uses as much as digits as its factorization.

212310113203009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 212310113203009 in words is "two hundred twelve trillion, three hundred ten billion, one hundred thirteen million, two hundred three thousand, nine".