51241145212 has 12 divisors (see below), whose sum is σ = 89938095520. Its totient is φ = 25544546496.

The previous prime is 51241145191. The next prime is 51241145231. The reversal of 51241145212 is 21254114215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19005012 + ... + 19007707.

Almost surely, 2^51241145212 is an apocalyptic number.

It is an amenable number.

51241145212 is a deficient number, since it is larger than the sum of its proper divisors (38696950308).

51241145212 is a wasteful number, since it uses less digits than its factorization.

51241145212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38013060 (or 38013058 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

Adding to 51241145212 its reverse (21254114215), we get a palindrome (72495259427).

The spelling of 51241145212 in words is "fifty-one billion, two hundred forty-one million, one hundred forty-five thousand, two hundred twelve".