122111214312 has 32 divisors (see below), whose sum is σ = 315804866400. Its totient is φ = 39300160704.

The previous prime is 122111214311. The next prime is 122111214343. The reversal of 122111214312 is 213412111221.

It is a super-2 number, since 2×122111214312² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (122111214311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87722878 + ... + 87724269.

It is an arithmetic number, because the mean of its divisors is an integer number (9868902075).

Almost surely, 2^122111214312 is an apocalyptic number.

122111214312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122111214312 is an abundant number, since it is smaller than the sum of its proper divisors (193693652088).

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

122111214312 is a wasteful number, since it uses less digits than its factorization.

122111214312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175447185 (or 175447181 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

Adding to 122111214312 its reverse (213412111221), we get a palindrome (335523325533).

The spelling of 122111214312 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred fourteen thousand, three hundred twelve".