51201210530430 has 24 divisors (see below), whose sum is σ = 133123147379352. Its totient is φ = 13653656141424.

The previous prime is 51201210530363. The next prime is 51201210530441. The reversal of 51201210530430 is 3403501210215.

51201210530430 is a `hidden beast` number, since 5 + 1 + 2 + 0 + 121 + 0 + 530 + 4 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51201210530394 and 51201210530403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284451169524 + ... + 284451169703.

It is an arithmetic number, because the mean of its divisors is an integer number (5546797807473).

Almost surely, 2^{51201210530430} is an apocalyptic number.

51201210530430 is an abundant number, since it is smaller than the sum of its proper divisors (81921936848922).

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

51201210530430 is a wasteful number, since it uses less digits than its factorization.

51201210530430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568902339240 (or 568902339237 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 51201210530430 its reverse (3403501210215), we get a palindrome (54604711740645).

The spelling of 51201210530430 in words is "fifty-one trillion, two hundred one billion, two hundred ten million, five hundred thirty thousand, four hundred thirty".