51054204012 has 96 divisors (see below), whose sum is σ = 137098418688. Its totient is φ = 14485008384.

The previous prime is 51054204001. The next prime is 51054204029. The reversal of 51054204012 is 21040245015.

It is a super-2 number, since 2×51054204012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9545523 + ... + 9550869.

It is an arithmetic number, because the mean of its divisors is an integer number (1428108528).

Almost surely, 2^51054204012 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 51054204012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68549209344).

51054204012 is an abundant number, since it is smaller than the sum of its proper divisors (86044214676).

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

51054204012 is a wasteful number, since it uses less digits than its factorization.

51054204012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135 (or 6133 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 51054204012 its reverse (21040245015), we get a palindrome (72094449027).

The spelling of 51054204012 in words is "fifty-one billion, fifty-four million, two hundred four thousand, twelve".