133203120000 has 640 divisors, whose sum is σ = 470324448000. Its totient is φ = 33318912000.

The previous prime is 133203119983. The next prime is 133203120031. The reversal of 133203120000 is 21302331.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 325679796 + ... + 325680204.

It is an arithmetic number, because the mean of its divisors is an integer number (734881950).

Almost surely, 2^133203120000 is an apocalyptic number.

133203120000 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 133203120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235162224000).

133203120000 is an abundant number, since it is smaller than the sum of its proper divisors (337121328000).

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

133203120000 is an equidigital number, since it uses as much as digits as its factorization.

133203120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 133203120000 its reverse (21302331), we get a palindrome (133224422331).

The spelling of 133203120000 in words is "one hundred thirty-three billion, two hundred three million, one hundred twenty thousand".