212312012012099 has 2 divisors, whose sum is σ = 212312012012100. Its totient is φ = 212312012012098.

The previous prime is 212312012011997. The next prime is 212312012012131. The reversal of 212312012012099 is 990210210213212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212312012012099 - 2⁸ = 212312012011843 is a prime.

It is not a weakly prime, because it can be changed into another prime (212312012002099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106156006006049 + 106156006006050.

It is an arithmetic number, because the mean of its divisors is an integer number (106156006006050).

Almost surely, 2^{212312012012099} is an apocalyptic number.

212312012012099 is a deficient number, since it is larger than the sum of its proper divisors (1).

212312012012099 is an equidigital number, since it uses as much as digits as its factorization.

212312012012099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 212312012012099 in words is "two hundred twelve trillion, three hundred twelve billion, twelve million, twelve thousand, ninety-nine".