51232223214 has 48 divisors (see below), whose sum is σ = 111355530000. Its totient is φ = 17023281408.

The previous prime is 51232223209. The next prime is 51232223267. The reversal of 51232223214 is 41232223215.

51232223214 is a `hidden beast` number, since 5 + 12 + 322 + 2 + 321 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9060012 + ... + 9065664.

It is an arithmetic number, because the mean of its divisors is an integer number (2319906875).

Almost surely, 2^51232223214 is an apocalyptic number.

51232223214 is an abundant number, since it is smaller than the sum of its proper divisors (60123306786).

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

51232223214 is a wasteful number, since it uses less digits than its factorization.

51232223214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169 (or 7166 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 51232223214 its reverse (41232223215), we get a palindrome (92464446429).

Subtracting from 51232223214 its reverse (41232223215), we obtain a palindrome (9999999999).

The spelling of 51232223214 in words is "fifty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred fourteen".