122112021112112 has 40 divisors (see below), whose sum is σ = 238311916019520. Its totient is φ = 60612237345600.

The previous prime is 122112021112093. The next prime is 122112021112163. The reversal of 122112021112112 is 211211120211221.

It is a happy number.

It is a super-2 number, since 2×122112021112112² (a number of 29 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 27874043 + ... + 31956005.

It is an arithmetic number, because the mean of its divisors is an integer number (5957797900488).

Almost surely, 2^{122112021112112} is an apocalyptic number.

It is an amenable number.

122112021112112 is a deficient number, since it is larger than the sum of its proper divisors (116199894907408).

122112021112112 is a wasteful number, since it uses less digits than its factorization.

122112021112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095561 (or 4095555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 122112021112112 its reverse (211211120211221), we get a palindrome (333323141323333).

The spelling of 122112021112112 in words is "one hundred twenty-two trillion, one hundred twelve billion, twenty-one million, one hundred twelve thousand, one hundred twelve".