122012012220122 has 4 divisors (see below), whose sum is σ = 183018018330186. Its totient is φ = 61006006110060.

The previous prime is 122012012220103. The next prime is 122012012220149. The reversal of 122012012220122 is 221022210210221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121947871086001 + 64141134121 = 11043001^2 + 253261^2 .

It is a super-2 number, since 2×122012012220122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122012012220094 and 122012012220103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30503003055029 + ... + 30503003055032.

Almost surely, 2^{122012012220122} is an apocalyptic number.

122012012220122 is a deficient number, since it is larger than the sum of its proper divisors (61006006110064).

122012012220122 is an equidigital number, since it uses as much as digits as its factorization.

122012012220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61006006110063.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122012012220122 its reverse (221022210210221), we get a palindrome (343034222430343).

The spelling of 122012012220122 in words is "one hundred twenty-two trillion, twelve billion, twelve million, two hundred twenty thousand, one hundred twenty-two".