133203121002 has 256 divisors, whose sum is σ = 366212275200. Its totient is φ = 35022274560.

The previous prime is 133203120937. The next prime is 133203121031. The reversal of 133203121002 is 200121302331.

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 127 ways as a sum of consecutive naturals, for example, 143382874 + ... + 143383802.

It is an arithmetic number, because the mean of its divisors is an integer number (1430516700).

Almost surely, 2^133203121002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133203121002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183106137600).

133203121002 is an abundant number, since it is smaller than the sum of its proper divisors (233009154198).

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

133203121002 is a wasteful number, since it uses less digits than its factorization.

133203121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 133203121002 its reverse (200121302331), we get a palindrome (333324423333).

The spelling of 133203121002 in words is "one hundred thirty-three billion, two hundred three million, one hundred twenty-one thousand, two".