133223132212 has 24 divisors (see below), whose sum is σ = 251512268616. Its totient is φ = 61510345728.

The previous prime is 133223132209. The next prime is 133223132221. The reversal of 133223132212 is 212231322331.

It can be written as a sum of positive squares in 4 ways, for example, as 38933603856 + 94289528356 = 197316^2 + 307066^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18479073 + ... + 18486280.

It is an arithmetic number, because the mean of its divisors is an integer number (10479677859).

Almost surely, 2^133223132212 is an apocalyptic number.

It is an amenable number.

133223132212 is a deficient number, since it is larger than the sum of its proper divisors (118289136404).

133223132212 is a wasteful number, since it uses less digits than its factorization.

133223132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36965427 (or 36965425 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 133223132212 its reverse (212231322331), we get a palindrome (345454454543).

The spelling of 133223132212 in words is "one hundred thirty-three billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred twelve".