231012012 has 48 divisors (see below), whose sum is σ = 672037632. Its totient is φ = 60002880.

The previous prime is 231012011. The next prime is 231012029. The reversal of 231012012 is 210210132.

231012012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (231012011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124083 + ... + 125930.

It is an arithmetic number, because the mean of its divisors is an integer number (14000784).

Almost surely, 2^231012012 is an apocalyptic number.

231012012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231012012 is an abundant number, since it is smaller than the sum of its proper divisors (441025620).

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

231012012 is a wasteful number, since it uses less digits than its factorization.

231012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250038 (or 250036 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 231012012 is about 15199.0793142216. The cubic root of 231012012 is about 613.5898791554.

Adding to 231012012 its reverse (210210132), we get a palindrome (441222144).

It can be divided in two parts, 2310120 and 12, that added together give a palindrome (2310132).

The spelling of 231012012 in words is "two hundred thirty-one million, twelve thousand, twelve".