51152012 has 6 divisors (see below), whose sum is σ = 89516028. Its totient is φ = 25576004.

The previous prime is 51152011. The next prime is 51152029. The reversal of 51152012 is 21025115.

It is not an unprimeable number, because it can be changed into a prime (51152011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6393998 + ... + 6394005.

It is an arithmetic number, because the mean of its divisors is an integer number (14919338).

Almost surely, 2^51152012 is an apocalyptic number.

It is an amenable number.

51152012 is a deficient number, since it is larger than the sum of its proper divisors (38364016).

51152012 is a wasteful number, since it uses less digits than its factorization.

51152012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12788007 (or 12788005 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 51152012 is about 7152.0634784655. The cubic root of 51152012 is about 371.2110597149.

Adding to 51152012 its reverse (21025115), we get a palindrome (72177127).

The spelling of 51152012 in words is "fifty-one million, one hundred fifty-two thousand, twelve".