30220132312217 has 2 divisors, whose sum is σ = 30220132312218. Its totient is φ = 30220132312216.

The previous prime is 30220132312189. The next prime is 30220132312291. The reversal of 30220132312217 is 71221323102203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23819758541401 + 6400373770816 = 4880549^2 + 2529896^2 .

It is a cyclic number.

It is not a de Polignac number, because 30220132312217 - 2²² = 30220128117913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30220132312217.

It is not a weakly prime, because it can be changed into another prime (30220132314217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110066156108 + 15110066156109.

It is an arithmetic number, because the mean of its divisors is an integer number (15110066156109).

Almost surely, 2^{30220132312217} is an apocalyptic number.

It is an amenable number.

30220132312217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220132312217 is an equidigital number, since it uses as much as digits as its factorization.

30220132312217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 30220132312217 in words is "thirty trillion, two hundred twenty billion, one hundred thirty-two million, three hundred twelve thousand, two hundred seventeen".