2012123034 has 24 divisors (see below), whose sum is σ = 4362277140. Its totient is φ = 670295808.

The previous prime is 2012123027. The next prime is 2012123059. The reversal of 2012123034 is 4303212102.

It can be written as a sum of positive squares in 2 ways, for example, as 1833980625 + 178142409 = 42825^2 + 13347^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2012122998 and 2012123016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3447 + ... + 63530.

Almost surely, 2^2012123034 is an apocalyptic number.

2012123034 is an abundant number, since it is smaller than the sum of its proper divisors (2350154106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2012123034 is a wasteful number, since it uses less digits than its factorization.

2012123034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68654 (or 68651 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2012123034 is about 44856.6944167757. The cubic root of 2012123034 is about 1262.4616012110.

Adding to 2012123034 its reverse (4303212102), we get a palindrome (6315335136).

The spelling of 2012123034 in words is "two billion, twelve million, one hundred twenty-three thousand, thirty-four".