133211021300 has 144 divisors (see below), whose sum is σ = 340703193600. Its totient is φ = 44257920000.

The previous prime is 133211021299. The next prime is 133211021329. The reversal of 133211021300 is 3120112331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4260725 + ... + 4291875.

It is an arithmetic number, because the mean of its divisors is an integer number (2365994400).

Almost surely, 2^133211021300 is an apocalyptic number.

133211021300 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 133211021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170351596800).

133211021300 is an abundant number, since it is smaller than the sum of its proper divisors (207492172300).

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

133211021300 is a wasteful number, since it uses less digits than its factorization.

133211021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31362 (or 31355 counting only the distinct ones).

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

Adding to 133211021300 its reverse (3120112331), we get a palindrome (136331133631).

The spelling of 133211021300 in words is "one hundred thirty-three billion, two hundred eleven million, twenty-one thousand, three hundred".