1212432132 has 24 divisors (see below), whose sum is σ = 2905469056. Its totient is φ = 393221088.

The previous prime is 1212432127. The next prime is 1212432149. The reversal of 1212432132 is 2312342121.

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 = 1212432099 and 1212432108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364908 + ... + 1365795.

Almost surely, 2^1212432132 is an apocalyptic number.

1212432132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212432132 is an abundant number, since it is smaller than the sum of its proper divisors (1693036924).

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

1212432132 is a wasteful number, since it uses less digits than its factorization.

1212432132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730747 (or 2730745 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1212432132 is about 34819.9961516368. The cubic root of 1212432132 is about 1066.3157218310.

Adding to 1212432132 its reverse (2312342121), we get a palindrome (3524774253).

The spelling of 1212432132 in words is "one billion, two hundred twelve million, four hundred thirty-two thousand, one hundred thirty-two".