302130121049 has 2 divisors, whose sum is σ = 302130121050. Its totient is φ = 302130121048.

The previous prime is 302130121019. The next prime is 302130121081. The reversal of 302130121049 is 940121031203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206552070400 + 95578050649 = 454480^2 + 309157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302130121049 is a prime.

It is a super-2 number, since 2×302130121049² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (302130121019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151065060524 + 151065060525.

It is an arithmetic number, because the mean of its divisors is an integer number (151065060525).

Almost surely, 2^302130121049 is an apocalyptic number.

It is an amenable number.

302130121049 is a deficient number, since it is larger than the sum of its proper divisors (1).

302130121049 is an equidigital number, since it uses as much as digits as its factorization.

302130121049 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 26.

The spelling of 302130121049 in words is "three hundred two billion, one hundred thirty million, one hundred twenty-one thousand, forty-nine".