133320012 has 48 divisors (see below), whose sum is σ = 363095040. Its totient is φ = 37279872.

The previous prime is 133319993. The next prime is 133320049. The reversal of 133320012 is 210023331.

It is a junction number, because it is equal to n+sod(n) for n = 133319973 and 133320000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12937 + ... + 20832.

It is an arithmetic number, because the mean of its divisors is an integer number (7564480).

Almost surely, 2^133320012 is an apocalyptic number.

133320012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133320012 is an abundant number, since it is smaller than the sum of its proper divisors (229775028).

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

133320012 is a wasteful number, since it uses less digits than its factorization.

133320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33830 (or 33828 counting only the distinct ones).

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

The square root of 133320012 is about 11546.4285387301. The cubic root of 133320012 is about 510.8559405901.

Adding to 133320012 its reverse (210023331), we get a palindrome (343343343).

The spelling of 133320012 in words is "one hundred thirty-three million, three hundred twenty thousand, twelve".