12213323121120 has 144 divisors (see below), whose sum is σ = 42287369801040. Its totient is φ = 2960805591040.

The previous prime is 12213323121023. The next prime is 12213323121133. The reversal of 12213323121120 is 2112132331221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 105084165 + ... + 105200324.

It is an arithmetic number, because the mean of its divisors is an integer number (293662290285).

Almost surely, 2^{12213323121120} is an apocalyptic number.

12213323121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213323121120 is an abundant number, since it is smaller than the sum of its proper divisors (30074046679920).

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

12213323121120 is a wasteful number, since it uses less digits than its factorization.

12213323121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210284529 (or 210284510 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12213323121120 its reverse (2112132331221), we get a palindrome (14325455452341).

The spelling of 12213323121120 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty".