212212012099 has 2 divisors, whose sum is σ = 212212012100. Its totient is φ = 212212012098.

The previous prime is 212212012057. The next prime is 212212012151. The reversal of 212212012099 is 990210212212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212212012099 - 2⁹ = 212212011587 is a prime.

It is a super-2 number, since 2×212212012099² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212212012099.

It is not a weakly prime, because it can be changed into another prime (212212012039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106006049 + 106106006050.

It is an arithmetic number, because the mean of its divisors is an integer number (106106006050).

Almost surely, 2^212212012099 is an apocalyptic number.

212212012099 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212012099 is an equidigital number, since it uses as much as digits as its factorization.

212212012099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 212212012099 in words is "two hundred twelve billion, two hundred twelve million, twelve thousand, ninety-nine".