12000132221020 has 24 divisors (see below), whose sum is σ = 25576401214224. Its totient is φ = 4728410307456.

The previous prime is 12000132220981. The next prime is 12000132221027. The reversal of 12000132221020 is 2012223100021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12000132220985 and 12000132221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000132221027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4477659937 + ... + 4477662616.

It is an arithmetic number, because the mean of its divisors is an integer number (1065683383926).

Almost surely, 2^{12000132221020} is an apocalyptic number.

12000132221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000132221020 is an abundant number, since it is smaller than the sum of its proper divisors (13576268993204).

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

12000132221020 is a wasteful number, since it uses less digits than its factorization.

12000132221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8955322629 (or 8955322627 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12000132221020 its reverse (2012223100021), we get a palindrome (14012355321041).

The spelling of 12000132221020 in words is "twelve trillion, one hundred thirty-two million, two hundred twenty-one thousand, twenty".