51230105002 has 8 divisors (see below), whose sum is σ = 76846219812. Its totient is φ = 25614698400.

The previous prime is 51230104997. The next prime is 51230105029. The reversal of 51230105002 is 20050103215.

It can be written as a sum of positive squares in 2 ways, for example, as 50180928121 + 1049176881 = 224011^2 + 32391^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76302 + ... + 329062.

Almost surely, 2^51230105002 is an apocalyptic number.

51230105002 is a deficient number, since it is larger than the sum of its proper divisors (25616114810).

51230105002 is a wasteful number, since it uses less digits than its factorization.

51230105002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354104.

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 51230105002 its reverse (20050103215), we get a palindrome (71280208217).

The spelling of 51230105002 in words is "fifty-one billion, two hundred thirty million, one hundred five thousand, two".