122111110020012 has 24 divisors (see below), whose sum is σ = 285747035560896. Its totient is φ = 40586401599888.

The previous prime is 122111110019999. The next prime is 122111110020047. The reversal of 122111110020012 is 210020011111221.

It is a happy number.

It is a super-2 number, since 2×122111110020012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122111110019973 and 122111110020000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14662713178 + ... + 14662721505.

It is an arithmetic number, because the mean of its divisors is an integer number (11906126481704).

Almost surely, 2^{122111110020012} is an apocalyptic number.

122111110020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122111110020012 is an abundant number, since it is smaller than the sum of its proper divisors (163635925540884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122111110020012 is a wasteful number, since it uses less digits than its factorization.

122111110020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29325435037 (or 29325435035 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122111110020012 its reverse (210020011111221), we get a palindrome (332131121131233).

The spelling of 122111110020012 in words is "one hundred twenty-two trillion, one hundred eleven billion, one hundred ten million, twenty thousand, twelve".