122012021521073 has 2 divisors, whose sum is σ = 122012021521074. Its totient is φ = 122012021521072.

The previous prime is 122012021521067. The next prime is 122012021521079. The reversal of 122012021521073 is 370125120210221.

It is a balanced prime because it is at equal distance from previous prime (122012021521067) and next prime (122012021521079).

It can be written as a sum of positive squares in only one way, i.e., 115341950829169 + 6670070691904 = 10739737^2 + 2582648^2 .

It is a cyclic number.

It is not a de Polignac number, because 122012021521073 - 2¹⁰ = 122012021520049 is a prime.

It is not a weakly prime, because it can be changed into another prime (122012021521079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006010760536 + 61006010760537.

It is an arithmetic number, because the mean of its divisors is an integer number (61006010760537).

Almost surely, 2^{122012021521073} is an apocalyptic number.

It is an amenable number.

122012021521073 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012021521073 is an equidigital number, since it uses as much as digits as its factorization.

122012021521073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 122012021521073 its reverse (370125120210221), we get a palindrome (492137141731294).

The spelling of 122012021521073 in words is "one hundred twenty-two trillion, twelve billion, twenty-one million, five hundred twenty-one thousand, seventy-three".