12020021320032 has 192 divisors, whose sum is σ = 38729645337600. Its totient is φ = 3596323760640.

The previous prime is 12020021320019. The next prime is 12020021320081. The reversal of 12020021320032 is 23002312002021.

12020021320032 is a `hidden beast` number, since 1 + 20 + 200 + 213 + 200 + 32 = 666.

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 = 12020021319987 and 12020021320014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7253823 + ... + 8755454.

It is an arithmetic number, because the mean of its divisors is an integer number (201716902800).

Almost surely, 2^{12020021320032} is an apocalyptic number.

12020021320032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020021320032 is an abundant number, since it is smaller than the sum of its proper divisors (26709624017568).

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

12020021320032 is a wasteful number, since it uses less digits than its factorization.

12020021320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16009386 (or 16009372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12020021320032 its reverse (23002312002021), we get a palindrome (35022333322053).

The spelling of 12020021320032 in words is "twelve trillion, twenty billion, twenty-one million, three hundred twenty thousand, thirty-two".