2012301312231 has 24 divisors (see below), whose sum is σ = 3123542046960. Its totient is φ = 1148994279552.

The previous prime is 2012301312137. The next prime is 2012301312247. The reversal of 2012301312231 is 1322131032102.

It is not a de Polignac number, because 2012301312231 - 2²¹ = 2012299215079 is a prime.

It is a super-2 number, since 2×2012301312231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2012301312198 and 2012301312207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012301352231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5120496 + ... + 5499461.

It is an arithmetic number, because the mean of its divisors is an integer number (130147585290).

Almost surely, 2^{2012301312231} is an apocalyptic number.

2012301312231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2012301312231 is a deficient number, since it is larger than the sum of its proper divisors (1111240734729).

2012301312231 is a wasteful number, since it uses less digits than its factorization.

2012301312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621263 (or 10621256 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2012301312231 its reverse (1322131032102), we get a palindrome (3334432344333).

The spelling of 2012301312231 in words is "two trillion, twelve billion, three hundred one million, three hundred twelve thousand, two hundred thirty-one".