122211120012 has 24 divisors (see below), whose sum is σ = 291226500096. Its totient is φ = 39870294288.

The previous prime is 122211119959. The next prime is 122211120019. The reversal of 122211120012 is 210021112221.

It is a junction number, because it is equal to n+sod(n) for n = 122211119973 and 122211120000.

It is not an unprimeable number, because it can be changed into a prime (122211120019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108342628 + ... + 108343755.

It is an arithmetic number, because the mean of its divisors is an integer number (12134437504).

Almost surely, 2^122211120012 is an apocalyptic number.

122211120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122211120012 is an abundant number, since it is smaller than the sum of its proper divisors (169015380084).

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

122211120012 is a wasteful number, since it uses less digits than its factorization.

122211120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216686437 (or 216686435 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122211120012 its reverse (210021112221), we get a palindrome (332232232233).

The spelling of 122211120012 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, twelve".