231032100012 has 96 divisors (see below), whose sum is σ = 630247188480. Its totient is φ = 64496563200.

The previous prime is 231032100011. The next prime is 231032100109. The reversal of 231032100012 is 210001230132.

It is a junction number, because it is equal to n+sod(n) for n = 231032099964 and 231032100000.

It is not an unprimeable number, because it can be changed into a prime (231032100011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2324064 + ... + 2421432.

It is an arithmetic number, because the mean of its divisors is an integer number (6565074880).

Almost surely, 2^231032100012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231032100012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315123594240).

231032100012 is an abundant number, since it is smaller than the sum of its proper divisors (399215088468).

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

231032100012 is a wasteful number, since it uses less digits than its factorization.

231032100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98031 (or 98029 counting only the distinct ones).

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

Adding to 231032100012 its reverse (210001230132), we get a palindrome (441033330144).

The spelling of 231032100012 in words is "two hundred thirty-one billion, thirty-two million, one hundred thousand, twelve".