122112212011112 has 16 divisors (see below), whose sum is σ = 228978553320000. Its totient is φ = 61051264459120.

The previous prime is 122112212011057. The next prime is 122112212011121. The reversal of 122112212011112 is 211110212211221.

It is a happy number.

It is a super-2 number, since 2×122112212011112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605086112 + ... + 605287887.

It is an arithmetic number, because the mean of its divisors is an integer number (14311159582500).

Almost surely, 2^{122112212011112} is an apocalyptic number.

It is an amenable number.

122112212011112 is a deficient number, since it is larger than the sum of its proper divisors (106866341308888).

122112212011112 is a wasteful number, since it uses less digits than its factorization.

122112212011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210386616 (or 1210386612 counting only the distinct ones).

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

Adding to 122112212011112 its reverse (211110212211221), we get a palindrome (333222424222333).

The spelling of 122112212011112 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred twelve million, eleven thousand, one hundred twelve".