133212122331 has 16 divisors (see below), whose sum is σ = 177767622144. Its totient is φ = 88732394784.

The previous prime is 133212122299. The next prime is 133212122401. The reversal of 133212122331 is 133221212331.

It is not a de Polignac number, because 133212122331 - 2⁵ = 133212122299 is a prime.

It is a super-2 number, since 2×133212122331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133212122531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33954736 + ... + 33958658.

It is an arithmetic number, because the mean of its divisors is an integer number (11110476384).

Almost surely, 2^133212122331 is an apocalyptic number.

133212122331 is a deficient number, since it is larger than the sum of its proper divisors (44555499813).

133212122331 is a wasteful number, since it uses less digits than its factorization.

133212122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690.

The product of its digits is 1296, while the sum is 24.

Adding to 133212122331 its reverse (133221212331), we get a palindrome (266433334662).

The spelling of 133212122331 in words is "one hundred thirty-three billion, two hundred twelve million, one hundred twenty-two thousand, three hundred thirty-one".