20121332100132 has 48 divisors (see below), whose sum is σ = 49930519988160. Its totient is φ = 6284766062592.

The previous prime is 20121332100109. The next prime is 20121332100169. The reversal of 20121332100132 is 23100123312102.

It is a junction number, because it is equal to n+sod(n) for n = 20121332100099 and 20121332100108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217209157 + ... + 217301772.

It is an arithmetic number, because the mean of its divisors is an integer number (1040219166420).

Almost surely, 2^{20121332100132} is an apocalyptic number.

It is an amenable number.

20121332100132 is an abundant number, since it is smaller than the sum of its proper divisors (29809187888028).

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

20121332100132 is a wasteful number, since it uses less digits than its factorization.

20121332100132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434511180 (or 434511178 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20121332100132 its reverse (23100123312102), we get a palindrome (43221455412234).

The spelling of 20121332100132 in words is "twenty trillion, one hundred twenty-one billion, three hundred thirty-two million, one hundred thousand, one hundred thirty-two".