30121012312969 has 2 divisors, whose sum is σ = 30121012312970. Its totient is φ = 30121012312968.

The previous prime is 30121012312949. The next prime is 30121012313003. The reversal of 30121012312969 is 96921321012103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29089162672969 + 1031849640000 = 5393437^2 + 1015800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30121012312969 is a prime.

It is a super-2 number, since 2×30121012312969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30121012312939) 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, 15060506156484 + 15060506156485.

It is an arithmetic number, because the mean of its divisors is an integer number (15060506156485).

Almost surely, 2^{30121012312969} is an apocalyptic number.

It is an amenable number.

30121012312969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121012312969 is an equidigital number, since it uses as much as digits as its factorization.

30121012312969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 30121012312969 in words is "thirty trillion, one hundred twenty-one billion, twelve million, three hundred twelve thousand, nine hundred sixty-nine".