133311122312 has 8 divisors (see below), whose sum is σ = 249958354350. Its totient is φ = 66655561152.

The previous prime is 133311122309. The next prime is 133311122327. The reversal of 133311122312 is 213221113331.

It can be written as a sum of positive squares in only one way, i.e., 133243980676 + 67141636 = 365026^2 + 8194^2 .

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

It is an unprimeable number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8331945137 + ... + 8331945152.

Almost surely, 2^133311122312 is an apocalyptic number.

It is an amenable number.

133311122312 is a deficient number, since it is larger than the sum of its proper divisors (116647232038).

133311122312 is a wasteful number, since it uses less digits than its factorization.

133311122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16663890295 (or 16663890291 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 133311122312 its reverse (213221113331), we get a palindrome (346532235643).

The spelling of 133311122312 in words is "one hundred thirty-three billion, three hundred eleven million, one hundred twenty-two thousand, three hundred twelve".