133230012 has 24 divisors (see below), whose sum is σ = 312270336. Its totient is φ = 44209968.

The previous prime is 133230011. The next prime is 133230017. The reversal of 133230012 is 210032331.

It is a junction number, because it is equal to n+sod(n) for n = 133229973 and 133230000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133230011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22218 + ... + 27569.

It is an arithmetic number, because the mean of its divisors is an integer number (13011264).

Almost surely, 2^133230012 is an apocalyptic number.

133230012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133230012 is an abundant number, since it is smaller than the sum of its proper divisors (179040324).

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

133230012 is a wasteful number, since it uses less digits than its factorization.

133230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50017 (or 50015 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133230012 is about 11542.5305717594. The cubic root of 133230012 is about 510.7409606414.

Adding to 133230012 its reverse (210032331), we get a palindrome (343262343).

The spelling of 133230012 in words is "one hundred thirty-three million, two hundred thirty thousand, twelve".