231320222412 has 48 divisors (see below), whose sum is σ = 568697136000. Its totient is φ = 72978779520.

The previous prime is 231320222407. The next prime is 231320222443. The reversal of 231320222412 is 214222023132.

231320222412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244414 + ... + 722757.

It is an arithmetic number, because the mean of its divisors is an integer number (11847857000).

Almost surely, 2^231320222412 is an apocalyptic number.

It is an amenable number.

231320222412 is an abundant number, since it is smaller than the sum of its proper divisors (337376913588).

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

231320222412 is a wasteful number, since it uses less digits than its factorization.

231320222412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968246 (or 968244 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231320222412 its reverse (214222023132), we get a palindrome (445542245544).

The spelling of 231320222412 in words is "two hundred thirty-one billion, three hundred twenty million, two hundred twenty-two thousand, four hundred twelve".