2012243320231 has 4 divisors (see below), whose sum is σ = 2013041515264. Its totient is φ = 2011445125200.

The previous prime is 2012243320229. The next prime is 2012243320277. The reversal of 2012243320231 is 1320233422102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012243320231 - 2¹ = 2012243320229 is a prime.

It is a super-2 number, since 2×2012243320231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012243320196 and 2012243320205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012243320931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399093735 + ... + 399098776.

It is an arithmetic number, because the mean of its divisors is an integer number (503260378816).

Almost surely, 2^{2012243320231} is an apocalyptic number.

2012243320231 is a deficient number, since it is larger than the sum of its proper divisors (798195033).

2012243320231 is an equidigital number, since it uses as much as digits as its factorization.

2012243320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798195032.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2012243320231 its reverse (1320233422102), we get a palindrome (3332476742333).

The spelling of 2012243320231 in words is "two trillion, twelve billion, two hundred forty-three million, three hundred twenty thousand, two hundred thirty-one".