12233122121220 has 576 divisors, whose sum is σ = 47832959827968. Its totient is φ = 2270718489600.

The previous prime is 12233122121191. The next prime is 12233122121309. The reversal of 12233122121220 is 2212122133221.

It is a super-2 number, since 2×12233122121220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20181807 + ... + 20779113.

Almost surely, 2^{12233122121220} is an apocalyptic number.

12233122121220 is a gapful number since it is divisible by the number (10) 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 12233122121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23916479913984).

12233122121220 is an abundant number, since it is smaller than the sum of its proper divisors (35599837706748).

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

12233122121220 is a wasteful number, since it uses less digits than its factorization.

12233122121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597392 (or 597379 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12233122121220 its reverse (2212122133221), we get a palindrome (14445244254441).

The spelling of 12233122121220 in words is "twelve trillion, two hundred thirty-three billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty".