133420012 has 48 divisors (see below), whose sum is σ = 272377728. Its totient is φ = 56510720.

The previous prime is 133420009. The next prime is 133420031. The reversal of 133420012 is 210024331.

It is a happy number.

133420012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79203 + ... + 80869.

It is an arithmetic number, because the mean of its divisors is an integer number (5674536).

Almost surely, 2^133420012 is an apocalyptic number.

It is an amenable number.

133420012 is an abundant number, since it is smaller than the sum of its proper divisors (138957716).

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

133420012 is a wasteful number, since it uses less digits than its factorization.

133420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 133420012 is about 11550.7580703606. The cubic root of 133420012 is about 510.9836354148.

Adding to 133420012 its reverse (210024331), we get a palindrome (343444343).

The spelling of 133420012 in words is "one hundred thirty-three million, four hundred twenty thousand, twelve".