51232243053012 has 192 divisors, whose sum is σ = 141689908039680. Its totient is φ = 14104218700800.

The previous prime is 51232243052959. The next prime is 51232243053029. The reversal of 51232243053012 is 21035034223215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116528743 + ... + 116967569.

It is an arithmetic number, because the mean of its divisors is an integer number (737968271040).

Almost surely, 2^{51232243053012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51232243053012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70844954019840).

51232243053012 is an abundant number, since it is smaller than the sum of its proper divisors (90457664986668).

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

51232243053012 is a wasteful number, since it uses less digits than its factorization.

51232243053012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439302 (or 439300 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 51232243053012 its reverse (21035034223215), we get a palindrome (72267277276227).

The spelling of 51232243053012 in words is "fifty-one trillion, two hundred thirty-two billion, two hundred forty-three million, fifty-three thousand, twelve".