51142012422 has 16 divisors (see below), whose sum is σ = 102456517680. Its totient is φ = 17018588672.

The previous prime is 51142012409. The next prime is 51142012429. The reversal of 51142012422 is 22421024115.

It is a junction number, because it is equal to n+sod(n) for n = 51142012392 and 51142012401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51142012429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7183347 + ... + 7190462.

It is an arithmetic number, because the mean of its divisors is an integer number (6403532355).

Almost surely, 2^51142012422 is an apocalyptic number.

51142012422 is an abundant number, since it is smaller than the sum of its proper divisors (51314505258).

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

51142012422 is a wasteful number, since it uses less digits than its factorization.

51142012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14374407.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 51142012422 its reverse (22421024115), we get a palindrome (73563036537).

The spelling of 51142012422 in words is "fifty-one billion, one hundred forty-two million, twelve thousand, four hundred twenty-two".