133233320312312 has 16 divisors (see below), whose sum is σ = 272522700639000. Its totient is φ = 60560600141920.

The previous prime is 133233320312251. The next prime is 133233320312317. The reversal of 133233320312312 is 213213023332331.

It is a happy number.

It is a super-2 number, since 2×133233320312312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133233320312317) 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, 757007501687 + ... + 757007501862.

Almost surely, 2^{133233320312312} is an apocalyptic number.

It is an amenable number.

133233320312312 is an abundant number, since it is smaller than the sum of its proper divisors (139289380326688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133233320312312 is a wasteful number, since it uses less digits than its factorization.

133233320312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514015003566 (or 1514015003562 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 133233320312312 its reverse (213213023332331), we get a palindrome (346446343644643).

The spelling of 133233320312312 in words is "one hundred thirty-three trillion, two hundred thirty-three billion, three hundred twenty million, three hundred twelve thousand, three hundred twelve".