123415012 has 24 divisors (see below), whose sum is σ = 249232256. Its totient is φ = 52377408.

The previous prime is 123415007. The next prime is 123415021. The reversal of 123415012 is 210514321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18513 + ... + 24280.

Almost surely, 2^123415012 is an apocalyptic number.

It is an amenable number.

123415012 is an abundant number, since it is smaller than the sum of its proper divisors (125817244).

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

123415012 is a wasteful number, since it uses less digits than its factorization.

123415012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42907 (or 42905 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 123415012 is about 11109.2309364780. The cubic root of 123415012 is about 497.8776869874.

Adding to 123415012 its reverse (210514321), we get a palindrome (333929333).

The spelling of 123415012 in words is "one hundred twenty-three million, four hundred fifteen thousand, twelve".