2012313231111 has 8 divisors (see below), whose sum is σ = 2686450791024. Its totient is φ = 1339858912640.

The previous prime is 2012313231107. The next prime is 2012313231161. The reversal of 2012313231111 is 1111323132102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012313231111 - 2² = 2012313231107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012313231161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420807570 + ... + 420812351.

It is an arithmetic number, because the mean of its divisors is an integer number (335806348878).

Almost surely, 2^{2012313231111} is an apocalyptic number.

2012313231111 is a deficient number, since it is larger than the sum of its proper divisors (674137559913).

2012313231111 is an equidigital number, since it uses as much as digits as its factorization.

2012313231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841620721.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2012313231111 its reverse (1111323132102), we get a palindrome (3123636363213).

Subtracting from 2012313231111 its reverse (1111323132102), we obtain a palindrome (900990099009).

The spelling of 2012313231111 in words is "two trillion, twelve billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred eleven".