12133121300 has 18 divisors (see below), whose sum is σ = 26328873438. Its totient is φ = 4853248480.

The previous prime is 12133121281. The next prime is 12133121317. The reversal of 12133121300 is 312133121.

It can be written as a sum of positive squares in 3 ways, for example, as 1284648964 + 10848472336 = 35842^2 + 104156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60665507 + ... + 60665706.

It is an arithmetic number, because the mean of its divisors is an integer number (1462715191).

Almost surely, 2^12133121300 is an apocalyptic number.

12133121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133121300 is an abundant number, since it is smaller than the sum of its proper divisors (14195752138).

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

12133121300 is a wasteful number, since it uses less digits than its factorization.

12133121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121331227 (or 121331220 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12133121300 its reverse (312133121), we get a palindrome (12445254421).

The spelling of 12133121300 in words is "twelve billion, one hundred thirty-three million, one hundred twenty-one thousand, three hundred".