123032012 has 18 divisors (see below), whose sum is σ = 217128492. Its totient is φ = 60999624.

The previous prime is 123031981. The next prime is 123032017. The reversal of 123032012 is 210230321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123032017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63563 + ... + 65469.

It is an arithmetic number, because the mean of its divisors is an integer number (12062694).

Almost surely, 2^123032012 is an apocalyptic number.

It is an amenable number.

123032012 is a deficient number, since it is larger than the sum of its proper divisors (94096480).

123032012 is a wasteful number, since it uses less digits than its factorization.

123032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123032012 is about 11091.9796249362. The cubic root of 123032012 is about 497.3621236910.

Adding to 123032012 its reverse (210230321), we get a palindrome (333262333).

The spelling of 123032012 in words is "one hundred twenty-three million, thirty-two thousand, twelve".