51300012 has 24 divisors (see below), whose sum is σ = 120438976. Its totient is φ = 16994448.

The previous prime is 51300001. The next prime is 51300017. The reversal of 51300012 is 21000315.

51300012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (51300017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11158 + ... + 15069.

Almost surely, 2^51300012 is an apocalyptic number.

It is an amenable number.

51300012 is an abundant number, since it is smaller than the sum of its proper divisors (69138964).

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

51300012 is a wasteful number, since it uses less digits than its factorization.

51300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26397 (or 26395 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 51300012 is about 7162.4026694958. The cubic root of 51300012 is about 371.5687278613.

Adding to 51300012 its reverse (21000315), we get a palindrome (72300327).

The spelling of 51300012 in words is "fifty-one million, three hundred thousand, twelve".