51046414212 has 24 divisors (see below), whose sum is σ = 119120210496. Its totient is φ = 17013769888.

The previous prime is 51046414187. The next prime is 51046414219. The reversal of 51046414212 is 21241464015.

It is a self number, because there is not a number n which added to its sum of digits gives 51046414212.

It is not an unprimeable number, because it can be changed into a prime (51046414219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84603 + ... + 330530.

It is an arithmetic number, because the mean of its divisors is an integer number (4963342104).

Almost surely, 2^51046414212 is an apocalyptic number.

It is an amenable number.

51046414212 is an abundant number, since it is smaller than the sum of its proper divisors (68073796284).

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

51046414212 is a wasteful number, since it uses less digits than its factorization.

51046414212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425387 (or 425385 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 51046414212 its reverse (21241464015), we get a palindrome (72287878227).

The spelling of 51046414212 in words is "fifty-one billion, forty-six million, four hundred fourteen thousand, two hundred twelve".