2030212120309 has 2 divisors, whose sum is σ = 2030212120310. Its totient is φ = 2030212120308.

The previous prime is 2030212120271. The next prime is 2030212120319. The reversal of 2030212120309 is 9030212120302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1962669308209 + 67542812100 = 1400953^2 + 259890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2030212120309 is a prime.

It is a super-2 number, since 2×2030212120309² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030212120319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015106060154 + 1015106060155.

It is an arithmetic number, because the mean of its divisors is an integer number (1015106060155).

Almost surely, 2^{2030212120309} is an apocalyptic number.

It is an amenable number.

2030212120309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030212120309 is an equidigital number, since it uses as much as digits as its factorization.

2030212120309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 2030212120309 in words is "two trillion, thirty billion, two hundred twelve million, one hundred twenty thousand, three hundred nine".