12213123322032 has 150 divisors (see below), whose sum is σ = 35716530423948. Its totient is φ = 4029067588608.

The previous prime is 12213123321943. The next prime is 12213123322063. The reversal of 12213123322032 is 23022332131221.

12213123322032 is a `hidden beast` number, since 1 + 2 + 21 + 312 + 3 + 322 + 0 + 3 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12213123321987 and 12213123322005.

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 29 ways as a sum of consecutive naturals, for example, 11693283 + ... + 12694845.

Almost surely, 2^{12213123322032} is an apocalyptic number.

12213123322032 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 12213123322032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17858265211974).

12213123322032 is an abundant number, since it is smaller than the sum of its proper divisors (23503407101916).

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

12213123322032 is an equidigital number, since it uses as much as digits as its factorization.

12213123322032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001777 (or 1001665 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12213123322032 its reverse (23022332131221), we get a palindrome (35235455453253).

The spelling of 12213123322032 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-three million, three hundred twenty-two thousand, thirty-two".