133320012300 has 108 divisors (see below), whose sum is σ = 418289304160. Its totient is φ = 35517536640.

The previous prime is 133320012289. The next prime is 133320012317. The reversal of 133320012300 is 3210023331.

133320012300 is a `hidden beast` number, since 1 + 33 + 320 + 0 + 12 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 863814 + ... + 1006386.

Almost surely, 2^133320012300 is an apocalyptic number.

133320012300 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 133320012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209144652080).

133320012300 is an abundant number, since it is smaller than the sum of its proper divisors (284969291860).

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

133320012300 is a wasteful number, since it uses less digits than its factorization.

133320012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143632 (or 143622 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 133320012300 its reverse (3210023331), we get a palindrome (136530035631).

The spelling of 133320012300 in words is "one hundred thirty-three billion, three hundred twenty million, twelve thousand, three hundred".