133120012 has 12 divisors (see below), whose sum is σ = 233127496. Its totient is φ = 66512160.

The previous prime is 133119997. The next prime is 133120019. The reversal of 133120012 is 210021331.

It is a junction number, because it is equal to n+sod(n) for n = 133119974 and 133120001.

It is not an unprimeable number, because it can be changed into a prime (133120019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289 + ... + 17152.

Almost surely, 2^133120012 is an apocalyptic number.

It is an amenable number.

133120012 is a deficient number, since it is larger than the sum of its proper divisors (100007484).

133120012 is a wasteful number, since it uses less digits than its factorization.

133120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23928 (or 23926 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 133120012 is about 11537.7646015162. The cubic root of 133120012 is about 510.6003592514.

Adding to 133120012 its reverse (210021331), we get a palindrome (343141343).

The spelling of 133120012 in words is "one hundred thirty-three million, one hundred twenty thousand, twelve".