122012022121012 has 12 divisors (see below), whose sum is σ = 214194606659460. Its totient is φ = 60813563075456.

The previous prime is 122012022120979. The next prime is 122012022121021. The reversal of 122012022121012 is 210121220210221.

It can be written as a sum of positive squares in 2 ways, for example, as 28850068743076 + 93161953377936 = 5371226^2 + 9652044^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48111994837 + ... + 48111997372.

It is an arithmetic number, because the mean of its divisors is an integer number (17849550554955).

Almost surely, 2^{122012022121012} is an apocalyptic number.

It is an amenable number.

122012022121012 is a deficient number, since it is larger than the sum of its proper divisors (92182584538448).

122012022121012 is a wasteful number, since it uses less digits than its factorization.

122012022121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96223992530 (or 96223992528 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122012022121012 its reverse (210121220210221), we get a palindrome (332133242331233).

The spelling of 122012022121012 in words is "one hundred twenty-two trillion, twelve billion, twenty-two million, one hundred twenty-one thousand, twelve".