51212300300630 has 16 divisors (see below), whose sum is σ = 105351017761440. Its totient is φ = 17558502960192.

The previous prime is 51212300300591. The next prime is 51212300300641. The reversal of 51212300300630 is 3600300321215.

It is a self number, because there is not a number n which added to its sum of digits gives 51212300300630.

It is a congruent number.

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, 365802144935 + ... + 365802145074.

It is an arithmetic number, because the mean of its divisors is an integer number (6584438610090).

Almost surely, 2^{51212300300630} is an apocalyptic number.

51212300300630 is an abundant number, since it is smaller than the sum of its proper divisors (54138717460810).

51212300300630 is a wasteful number, since it uses less digits than its factorization.

51212300300630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731604290023.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 51212300300630 its reverse (3600300321215), we get a palindrome (54812600621845).

The spelling of 51212300300630 in words is "fifty-one trillion, two hundred twelve billion, three hundred million, three hundred thousand, six hundred thirty".