122111068212 has 144 divisors (see below), whose sum is σ = 374339277312. Its totient is φ = 34077425760.

The previous prime is 122111068199. The next prime is 122111068223. The reversal of 122111068212 is 212860111221.

It is a super-2 number, since 2×122111068212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83887 + ... + 501257.

Almost surely, 2^122111068212 is an apocalyptic number.

122111068212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122111068212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187169638656).

122111068212 is an abundant number, since it is smaller than the sum of its proper divisors (252228209100).

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

122111068212 is a wasteful number, since it uses less digits than its factorization.

122111068212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417440 (or 417426 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

Adding to 122111068212 its reverse (212860111221), we get a palindrome (334971179433).

The spelling of 122111068212 in words is "one hundred twenty-two billion, one hundred eleven million, sixty-eight thousand, two hundred twelve".