51054212000000 has 504 divisors, whose sum is σ = 139323963505440. Its totient is φ = 18517248000000.

The previous prime is 51054211999991. The next prime is 51054212000003. The reversal of 51054212000000 is 21245015.

51054212000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (51054212000003) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 20107998731 + ... + 20108001269.

Almost surely, 2^{51054212000000} is an apocalyptic number.

51054212000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51054212000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69661981752720).

51054212000000 is an abundant number, since it is smaller than the sum of its proper divisors (88269751505440).

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

51054212000000 is an frugal number, since it uses more digits than its factorization.

51054212000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053 (or 3014 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 51054212000000 its reverse (21245015), we get a palindrome (51054233245015).

The spelling of 51054212000000 in words is "fifty-one trillion, fifty-four billion, two hundred twelve million", and thus it is an aban number.