123224012 has 6 divisors (see below), whose sum is σ = 215642028. Its totient is φ = 61612004.

The previous prime is 123224011. The next prime is 123224029. The reversal of 123224012 is 210422321.

It is a super-2 number, since 2×123224012² = 30368314266752288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123224011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15402998 + ... + 15403005.

It is an arithmetic number, because the mean of its divisors is an integer number (35940338).

Almost surely, 2^123224012 is an apocalyptic number.

It is an amenable number.

123224012 is a deficient number, since it is larger than the sum of its proper divisors (92418016).

123224012 is a wasteful number, since it uses less digits than its factorization.

123224012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30806007 (or 30806005 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 123224012 is about 11100.6311532273. The cubic root of 123224012 is about 497.6207119355.

Adding to 123224012 its reverse (210422321), we get a palindrome (333646333).

The spelling of 123224012 in words is "one hundred twenty-three million, two hundred twenty-four thousand, twelve".