51322032412 has 12 divisors (see below), whose sum is σ = 102644064880. Its totient is φ = 21995156736.

The previous prime is 51322032403. The next prime is 51322032481. The reversal of 51322032412 is 21423022315.

51322032412 is an admirable number.

It is a congruent number.

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, 916464837 + ... + 916464892.

Almost surely, 2^51322032412 is an apocalyptic number.

It is an amenable number.

51322032412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51322032412 is a wasteful number, since it uses less digits than its factorization.

51322032412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832929740 (or 1832929738 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 51322032412 its reverse (21423022315), we get a palindrome (72745054727).

The spelling of 51322032412 in words is "fifty-one billion, three hundred twenty-two million, thirty-two thousand, four hundred twelve".