133213222132 has 12 divisors (see below), whose sum is σ = 233147487076. Its totient is φ = 66599654400.

The previous prime is 133213222127. The next prime is 133213222133. The reversal of 133213222132 is 231222312331.

It can be written as a sum of positive squares in 2 ways, for example, as 60897407076 + 72315815056 = 246774^2 + 268916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133213222097 and 133213222106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133213222133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695963 + ... + 1772770.

Almost surely, 2^133213222132 is an apocalyptic number.

It is an amenable number.

133213222132 is a deficient number, since it is larger than the sum of its proper divisors (99934264944).

133213222132 is a wasteful number, since it uses less digits than its factorization.

133213222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478338 (or 3478336 counting only the distinct ones).

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

Adding to 133213222132 its reverse (231222312331), we get a palindrome (364435534463).

The spelling of 133213222132 in words is "one hundred thirty-three billion, two hundred thirteen million, two hundred twenty-two thousand, one hundred thirty-two".