1213332132 has 12 divisors (see below), whose sum is σ = 2831108336. Its totient is φ = 404444040.

The previous prime is 1213332103. The next prime is 1213332137. The reversal of 1213332132 is 2312333121.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a junction number, because it is equal to n+sod(n) for n = 1213332099 and 1213332108.

It is not an unprimeable number, because it can be changed into a prime (1213332137) 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, 50555494 + ... + 50555517.

Almost surely, 2^1213332132 is an apocalyptic number.

1213332132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213332132 is an abundant number, since it is smaller than the sum of its proper divisors (1617776204).

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

1213332132 is a wasteful number, since it uses less digits than its factorization.

1213332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111018 (or 101111016 counting only the distinct ones).

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

The square root of 1213332132 is about 34832.9173627476. The cubic root of 1213332132 is about 1066.5795020354.

Adding to 1213332132 its reverse (2312333121), we get a palindrome (3525665253).

The spelling of 1213332132 in words is "one billion, two hundred thirteen million, three hundred thirty-two thousand, one hundred thirty-two".