133321212312 has 32 divisors (see below), whose sum is σ = 333465503280. Its totient is φ = 44418741120.

The previous prime is 133321212289. The next prime is 133321212319. The reversal of 133321212312 is 213212123331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133321212319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303639 + ... + 1402182.

Almost surely, 2^133321212312 is an apocalyptic number.

133321212312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133321212312 is an abundant number, since it is smaller than the sum of its proper divisors (200144290968).

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

133321212312 is a wasteful number, since it uses less digits than its factorization.

133321212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707883 (or 2707879 counting only the distinct ones).

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

Adding to 133321212312 its reverse (213212123331), we get a palindrome (346533335643).

The spelling of 133321212312 in words is "one hundred thirty-three billion, three hundred twenty-one million, two hundred twelve thousand, three hundred twelve".