30212212113257 has 2 divisors, whose sum is σ = 30212212113258. Its totient is φ = 30212212113256.

The previous prime is 30212212113233. The next prime is 30212212113277. The reversal of 30212212113257 is 75231121221203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26157864754576 + 4054347358681 = 5114476^2 + 2013541^2 .

It is a cyclic number.

It is not a de Polignac number, because 30212212113257 - 2¹⁰ = 30212212112233 is a prime.

It is not a weakly prime, because it can be changed into another prime (30212212113217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106106056628 + 15106106056629.

It is an arithmetic number, because the mean of its divisors is an integer number (15106106056629).

Almost surely, 2^{30212212113257} is an apocalyptic number.

It is an amenable number.

30212212113257 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212212113257 is an equidigital number, since it uses as much as digits as its factorization.

30212212113257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 30212212113257 in words is "thirty trillion, two hundred twelve billion, two hundred twelve million, one hundred thirteen thousand, two hundred fifty-seven".