1132321212 has 144 divisors (see below), whose sum is σ = 3240837600. Its totient is φ = 330324480.

The previous prime is 1132321189. The next prime is 1132321217. The reversal of 1132321212 is 2121232311.

1132321212 is a `hidden beast` number, since 1 + 132 + 321 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 (1132321217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1596714 + ... + 1597422.

Almost surely, 2^1132321212 is an apocalyptic number.

1132321212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1132321212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620418800).

1132321212 is an abundant number, since it is smaller than the sum of its proper divisors (2108516388).

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

1132321212 is a wasteful number, since it uses less digits than its factorization.

1132321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 871 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1132321212 is about 33649.9808618073. The cubic root of 1132321212 is about 1042.2931439205.

Adding to 1132321212 its reverse (2121232311), we get a palindrome (3253553523).

The spelling of 1132321212 in words is "one billion, one hundred thirty-two million, three hundred twenty-one thousand, two hundred twelve".