51110012 has 12 divisors (see below), whose sum is σ = 90777960. Its totient is φ = 25173456.

The previous prime is 51110011. The next prime is 51110023. The reversal of 51110012 is 21001115.

51110012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51110012² = 5224466653280288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51109975 and 51110002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51110011) 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 3 ways as a sum of consecutive naturals, for example, 95087 + ... + 95622.

It is an arithmetic number, because the mean of its divisors is an integer number (7564830).

Almost surely, 2^51110012 is an apocalyptic number.

It is an amenable number.

51110012 is a deficient number, since it is larger than the sum of its proper divisors (39667948).

51110012 is a wasteful number, since it uses less digits than its factorization.

51110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190780 (or 190778 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 51110012 is about 7149.1266599495. The cubic root of 51110012 is about 371.1094336467.

Adding to 51110012 its reverse (21001115), we get a palindrome (72111127).

The spelling of 51110012 in words is "fifty-one million, one hundred ten thousand, twelve".