2012331123 has 24 divisors (see below), whose sum is σ = 3357475056. Its totient is φ = 1147852800.

The previous prime is 2012331121. The next prime is 2012331143. The reversal of 2012331123 is 3211332102.

It is not a de Polignac number, because 2012331123 - 2¹ = 2012331121 is a prime.

It is a super-2 number, since 2×2012331123² = 8098953097188882258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012331096 and 2012331105.

It is not an unprimeable number, because it can be changed into a prime (2012331121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 596158 + ... + 599523.

It is an arithmetic number, because the mean of its divisors is an integer number (139894794).

Almost surely, 2^2012331123 is an apocalyptic number.

2012331123 is a deficient number, since it is larger than the sum of its proper divisors (1345143933).

2012331123 is a wasteful number, since it uses less digits than its factorization.

2012331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195715 (or 1195712 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2012331123 is about 44859.0138433738. The cubic root of 2012331123 is about 1262.5051199740.

Adding to 2012331123 its reverse (3211332102), we get a palindrome (5223663225).

The spelling of 2012331123 in words is "two billion, twelve million, three hundred thirty-one thousand, one hundred twenty-three".