12122231121120 has 48 divisors (see below), whose sum is σ = 38185028033040. Its totient is φ = 3232594965504.

The previous prime is 12122231121109. The next prime is 12122231121137. The reversal of 12122231121120 is 2112113222121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×12122231121120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12627323605 + ... + 12627324564.

It is an arithmetic number, because the mean of its divisors is an integer number (795521417355).

Almost surely, 2^{12122231121120} is an apocalyptic number.

12122231121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122231121120 is an abundant number, since it is smaller than the sum of its proper divisors (26062796911920).

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

12122231121120 is a wasteful number, since it uses less digits than its factorization.

12122231121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25254648187 (or 25254648179 counting only the distinct ones).

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

Adding to 12122231121120 its reverse (2112113222121), we get a palindrome (14234344343241).

The spelling of 12122231121120 in words is "twelve trillion, one hundred twenty-two billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred twenty".