51012330004 has 12 divisors (see below), whose sum is σ = 89287309300. Its totient is φ = 25501670208.

The previous prime is 51012329971. The next prime is 51012330007. The reversal of 51012330004 is 40003321015.

It can be written as a sum of positive squares in 2 ways, for example, as 48906437904 + 2105892100 = 221148^2 + 45890^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51012330007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098099 + ... + 1143610.

Almost surely, 2^51012330004 is an apocalyptic number.

It is an amenable number.

51012330004 is a deficient number, since it is larger than the sum of its proper divisors (38274979296).

51012330004 is a wasteful number, since it uses less digits than its factorization.

51012330004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247402 (or 2247400 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 51012330004 its reverse (40003321015), we get a palindrome (91015651019).

The spelling of 51012330004 in words is "fifty-one billion, twelve million, three hundred thirty thousand, four".