133203131220000 has 240 divisors, whose sum is σ = 438033576036672. Its totient is φ = 35431355520000.

The previous prime is 133203131219957. The next prime is 133203131220001. The reversal of 133203131220000 is 22131302331.

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (133203131220001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21023965 + ... + 26616035.

Almost surely, 2^{133203131220000} is an apocalyptic number.

133203131220000 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 133203131220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219016788018336).

133203131220000 is an abundant number, since it is smaller than the sum of its proper divisors (304830444816672).

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

133203131220000 is an equidigital number, since it uses as much as digits as its factorization.

133203131220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592501 (or 5592478 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133203131220000 its reverse (22131302331), we get a palindrome (133225262522331).

The spelling of 133203131220000 in words is "one hundred thirty-three trillion, two hundred three billion, one hundred thirty-one million, two hundred twenty thousand".