133120012012 has 48 divisors (see below), whose sum is σ = 251482825440. Its totient is φ = 61292593152.

The previous prime is 133120012009. The next prime is 133120012079. The reversal of 133120012012 is 210210021331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66658998 + ... + 66660994.

It is an arithmetic number, because the mean of its divisors is an integer number (5239225530).

Almost surely, 2^133120012012 is an apocalyptic number.

It is an amenable number.

133120012012 is a deficient number, since it is larger than the sum of its proper divisors (118362813428).

133120012012 is a wasteful number, since it uses less digits than its factorization.

133120012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450 (or 4448 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 133120012012 its reverse (210210021331), we get a palindrome (343330033343).

The spelling of 133120012012 in words is "one hundred thirty-three billion, one hundred twenty million, twelve thousand, twelve".