2012331223511 has 16 divisors (see below), whose sum is σ = 2337579010368. Its totient is φ = 1696528108800.

The previous prime is 2012331223501. The next prime is 2012331223517. The reversal of 2012331223511 is 1153221332102.

It is not a de Polignac number, because 2012331223511 - 2¹⁰ = 2012331222487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012331223517) 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, 22917251 + ... + 23004891.

It is an arithmetic number, because the mean of its divisors is an integer number (146098688148).

Almost surely, 2^{2012331223511} is an apocalyptic number.

2012331223511 is a deficient number, since it is larger than the sum of its proper divisors (325247786857).

2012331223511 is an equidigital number, since it uses as much as digits as its factorization.

2012331223511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141482.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 2012331223511 its reverse (1153221332102), we get a palindrome (3165552555613).

The spelling of 2012331223511 in words is "two trillion, twelve billion, three hundred thirty-one million, two hundred twenty-three thousand, five hundred eleven".