133021021232 has 160 divisors (see below), whose sum is σ = 298204913664. Its totient is φ = 56928614400.

The previous prime is 133021021229. The next prime is 133021021261. The reversal of 133021021232 is 232120120331.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33906023 + ... + 33909945.

Almost surely, 2^133021021232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133021021232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149102456832).

133021021232 is an abundant number, since it is smaller than the sum of its proper divisors (165183892432).

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

133021021232 is a wasteful number, since it uses less digits than its factorization.

133021021232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147 (or 4141 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 133021021232 its reverse (232120120331), we get a palindrome (365141141563).

Subtracting 133021021232 from its reverse (232120120331), we obtain a palindrome (99099099099).

The spelling of 133021021232 in words is "one hundred thirty-three billion, twenty-one million, twenty-one thousand, two hundred thirty-two".