131232012 has 24 divisors (see below), whose sum is σ = 322324800. Its totient is φ = 41441616.

The previous prime is 131232011. The next prime is 131232019. The reversal of 131232012 is 210232131.

It is a junction number, because it is equal to n+sod(n) for n = 131231982 and 131232000.

It is not an unprimeable number, because it can be changed into a prime (131232011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287562 + ... + 288017.

It is an arithmetic number, because the mean of its divisors is an integer number (13430200).

Almost surely, 2^131232012 is an apocalyptic number.

131232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131232012 is an abundant number, since it is smaller than the sum of its proper divisors (191092788).

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

131232012 is a wasteful number, since it uses less digits than its factorization.

131232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575605 (or 575603 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 131232012 is about 11455.6541498074. The cubic root of 131232012 is about 508.1749609179.

Adding to 131232012 its reverse (210232131), we get a palindrome (341464143).

The spelling of 131232012 in words is "one hundred thirty-one million, two hundred thirty-two thousand, twelve".