30122012222117 has 2 divisors, whose sum is σ = 30122012222118. Its totient is φ = 30122012222116.

The previous prime is 30122012222083. The next prime is 30122012222279. The reversal of 30122012222117 is 71122221022103.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27756365201761 + 2365647020356 = 5268431^2 + 1538066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30122012222117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30122012222017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061006111058 + 15061006111059.

It is an arithmetic number, because the mean of its divisors is an integer number (15061006111059).

Almost surely, 2^{30122012222117} is an apocalyptic number.

It is an amenable number.

30122012222117 is a deficient number, since it is larger than the sum of its proper divisors (1).

30122012222117 is an equidigital number, since it uses as much as digits as its factorization.

30122012222117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The spelling of 30122012222117 in words is "thirty trillion, one hundred twenty-two billion, twelve million, two hundred twenty-two thousand, one hundred seventeen".