133332405312 has 56 divisors (see below), whose sum is σ = 352807231392. Its totient is φ = 44440115200.

The previous prime is 133332405299. The next prime is 133332405389. The reversal of 133332405312 is 213504233331.

It is a self number, because there is not a number n which added to its sum of digits gives 133332405312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2725387 + ... + 2773877.

It is an arithmetic number, because the mean of its divisors is an integer number (6300129132).

Almost surely, 2^133332405312 is an apocalyptic number.

133332405312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133332405312 is an abundant number, since it is smaller than the sum of its proper divisors (219474826080).

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

133332405312 is a wasteful number, since it uses less digits than its factorization.

133332405312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62827 (or 62817 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 133332405312 its reverse (213504233331), we get a palindrome (346836638643).

The spelling of 133332405312 in words is "one hundred thirty-three billion, three hundred thirty-two million, four hundred five thousand, three hundred twelve".