1322133312 has 56 divisors (see below), whose sum is σ = 3572597376. Its totient is φ = 431331328.

The previous prime is 1322133277. The next prime is 1322133313. The reversal of 1322133312 is 2133312231.

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 (1322133313) 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, 64233 + ... + 82280.

Almost surely, 2^1322133312 is an apocalyptic number.

1322133312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322133312 is an abundant number, since it is smaller than the sum of its proper divisors (2250464064).

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

1322133312 is a wasteful number, since it uses less digits than its factorization.

1322133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146575 (or 146565 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 1322133312 is about 36361.1511368933. The cubic root of 1322133312 is about 1097.5519420971.

Adding to 1322133312 its reverse (2133312231), we get a palindrome (3455445543).

The spelling of 1322133312 in words is "one billion, three hundred twenty-two million, one hundred thirty-three thousand, three hundred twelve".