133220033512 has 8 divisors (see below), whose sum is σ = 249787562850. Its totient is φ = 66610016752.

The previous prime is 133220033483. The next prime is 133220033543. The reversal of 133220033512 is 215330022331.

It can be written as a sum of positive squares in only one way, i.e., 102767689476 + 30452344036 = 320574^2 + 174506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8326252087 + ... + 8326252102.

Almost surely, 2^133220033512 is an apocalyptic number.

It is an amenable number.

133220033512 is a deficient number, since it is larger than the sum of its proper divisors (116567529338).

133220033512 is a wasteful number, since it uses less digits than its factorization.

133220033512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16652504195 (or 16652504191 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 133220033512 its reverse (215330022331), we get a palindrome (348550055843).

The spelling of 133220033512 in words is "one hundred thirty-three billion, two hundred twenty million, thirty-three thousand, five hundred twelve".