30012202122173 has 2 divisors, whose sum is σ = 30012202122174. Its totient is φ = 30012202122172.

The previous prime is 30012202122143. The next prime is 30012202122271. The reversal of 30012202122173 is 37122120221003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24865960150084 + 5146241972089 = 4986578^2 + 2268533^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012202122173 - 2¹⁶ = 30012202056637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30012202122143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006101061086 + 15006101061087.

It is an arithmetic number, because the mean of its divisors is an integer number (15006101061087).

Almost surely, 2^{30012202122173} is an apocalyptic number.

It is an amenable number.

30012202122173 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012202122173 is an equidigital number, since it uses as much as digits as its factorization.

30012202122173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 30012202122173 its reverse (37122120221003), we get a palindrome (67134322343176).

The spelling of 30012202122173 in words is "thirty trillion, twelve billion, two hundred two million, one hundred twenty-two thousand, one hundred seventy-three".