12021232203320 has 32 divisors (see below), whose sum is σ = 27076516189920. Its totient is φ = 4803382884480.

The previous prime is 12021232203311. The next prime is 12021232203367. The reversal of 12021232203320 is 2330223212021.

It is a super-2 number, since 2×12021232203320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159649292 + ... + 159724571.

It is an arithmetic number, because the mean of its divisors is an integer number (846141130935).

Almost surely, 2^{12021232203320} is an apocalyptic number.

12021232203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021232203320 is an abundant number, since it is smaller than the sum of its proper divisors (15055283986600).

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

12021232203320 is a wasteful number, since it uses less digits than its factorization.

12021232203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319374815 (or 319374811 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12021232203320 its reverse (2330223212021), we get a palindrome (14351455415341).

The spelling of 12021232203320 in words is "twelve trillion, twenty-one billion, two hundred thirty-two million, two hundred three thousand, three hundred twenty".