12221120020032 has 224 divisors, whose sum is σ = 44793138800640. Its totient is φ = 3174316853760.

The previous prime is 12221120020013. The next prime is 12221120020033. The reversal of 12221120020032 is 23002002112221.

12221120020032 is a `hidden beast` number, since 1 + 22 + 211 + 200 + 200 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12221120019987 and 12221120020014.

It is not an unprimeable number, because it can be changed into a prime (12221120020033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45791668 + ... + 46057779.

Almost surely, 2^{12221120020032} is an apocalyptic number.

12221120020032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12221120020032 is an abundant number, since it is smaller than the sum of its proper divisors (32572018780608).

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

12221120020032 is a wasteful number, since it uses less digits than its factorization.

12221120020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91849486 (or 91849470 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12221120020032 its reverse (23002002112221), we get a palindrome (35223122132253).

The spelling of 12221120020032 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, twenty thousand, thirty-two".