133212024 has 48 divisors (see below), whose sum is σ = 393583320. Its totient is φ = 40367040.

The previous prime is 133212011. The next prime is 133212041. The reversal of 133212024 is 420212331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 133211988 and 133212006.

It is a congruent number.

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, 83307 + ... + 84890.

Almost surely, 2^133212024 is an apocalyptic number.

It is an amenable number.

133212024 is an abundant number, since it is smaller than the sum of its proper divisors (260371296).

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

133212024 is a wasteful number, since it uses less digits than its factorization.

133212024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168220 (or 168213 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 133212024 is about 11541.7513402430. The cubic root of 133212024 is about 510.7179737739.

Adding to 133212024 its reverse (420212331), we get a palindrome (553424355).

The spelling of 133212024 in words is "one hundred thirty-three million, two hundred twelve thousand, twenty-four".