51243414122 has 8 divisors (see below), whose sum is σ = 77728774500. Its totient is φ = 25333822624.

The previous prime is 51243414107. The next prime is 51243414127. The reversal of 51243414122 is 22141434215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50225740321 + 1017673801 = 224111^2 + 31901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51243414127) 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, 143941997 + ... + 143942352.

Almost surely, 2^51243414122 is an apocalyptic number.

51243414122 is a deficient number, since it is larger than the sum of its proper divisors (26485360378).

51243414122 is a wasteful number, since it uses less digits than its factorization.

51243414122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287884440.

The product of its digits is 7680, while the sum is 29.

Adding to 51243414122 its reverse (22141434215), we get a palindrome (73384848337).

The spelling of 51243414122 in words is "fifty-one billion, two hundred forty-three million, four hundred fourteen thousand, one hundred twenty-two".