212331231203 has 16 divisors (see below), whose sum is σ = 272692955136. Its totient is φ = 160694059680.

The previous prime is 212331231199. The next prime is 212331231239. The reversal of 212331231203 is 302132133212.

It is not a de Polignac number, because 212331231203 - 2² = 212331231199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (212331231403) 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, 50722043 + ... + 50726228.

It is an arithmetic number, because the mean of its divisors is an integer number (17043309696).

Almost surely, 2^212331231203 is an apocalyptic number.

212331231203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212331231203 is a deficient number, since it is larger than the sum of its proper divisors (60361723933).

212331231203 is a wasteful number, since it uses less digits than its factorization.

212331231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101448314.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212331231203 its reverse (302132133212), we get a palindrome (514463364415).

The spelling of 212331231203 in words is "two hundred twelve billion, three hundred thirty-one million, two hundred thirty-one thousand, two hundred three".