133031211200 has 84 divisors (see below), whose sum is σ = 329348790120. Its totient is φ = 52885923840.

The previous prime is 133031211197. The next prime is 133031211233. The reversal of 133031211200 is 2112130331.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5756 + ... + 515844.

It is an arithmetic number, because the mean of its divisors is an integer number (3920818930).

Almost surely, 2^133031211200 is an apocalyptic number.

133031211200 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 133031211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164674395060).

133031211200 is an abundant number, since it is smaller than the sum of its proper divisors (196317578920).

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

133031211200 is a wasteful number, since it uses less digits than its factorization.

133031211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510274 (or 510259 counting only the distinct ones).

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

Adding to 133031211200 its reverse (2112130331), we get a palindrome (135143341531).

The spelling of 133031211200 in words is "one hundred thirty-three billion, thirty-one million, two hundred eleven thousand, two hundred".