12132321020000 has 120 divisors (see below), whose sum is σ = 29864500469496. Its totient is φ = 4850136576000.

The previous prime is 12132321019991. The next prime is 12132321020011. The reversal of 12132321020000 is 2012323121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34766384 + ... + 35113616.

Almost surely, 2^{12132321020000} is an apocalyptic number.

12132321020000 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 12132321020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14932250234748).

12132321020000 is an abundant number, since it is smaller than the sum of its proper divisors (17732179449496).

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

12132321020000 is an equidigital number, since it uses as much as digits as its factorization.

12132321020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349010 (or 348987 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12132321020000 its reverse (2012323121), we get a palindrome (12134333343121).

The spelling of 12132321020000 in words is "twelve trillion, one hundred thirty-two billion, three hundred twenty-one million, twenty thousand".