132831012 has 12 divisors (see below), whose sum is σ = 309939056. Its totient is φ = 44277000.

The previous prime is 132830983. The next prime is 132831029. The reversal of 132831012 is 210138231.

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

It is a self number, because there is not a number n which added to its sum of digits gives 132831012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5534614 + ... + 5534637.

Almost surely, 2^132831012 is an apocalyptic number.

132831012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

132831012 is an abundant number, since it is smaller than the sum of its proper divisors (177108044).

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

132831012 is a wasteful number, since it uses less digits than its factorization.

132831012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11069258 (or 11069256 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 132831012 is about 11525.2337069580. The cubic root of 132831012 is about 510.2305916107.

Adding to 132831012 its reverse (210138231), we get a palindrome (342969243).

The spelling of 132831012 in words is "one hundred thirty-two million, eight hundred thirty-one thousand, twelve".