51212104838496 has 288 divisors, whose sum is σ = 173888485706880. Its totient is φ = 14620819030272.

The previous prime is 51212104838449. The next prime is 51212104838561. The reversal of 51212104838496 is 69483840121215.

51212104838496 is a `hidden beast` number, since 5 + 1 + 2 + 1 + 210 + 48 + 384 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54870391 + ... + 55795913.

It is an arithmetic number, because the mean of its divisors is an integer number (603779464260).

Almost surely, 2^{51212104838496} is an apocalyptic number.

51212104838496 is a gapful number since it is divisible by the number (56) 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 51212104838496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86944242853440).

51212104838496 is an abundant number, since it is smaller than the sum of its proper divisors (122676380868384).

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

51212104838496 is a wasteful number, since it uses less digits than its factorization.

51212104838496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926863 (or 926842 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 51212104838496 in words is "fifty-one trillion, two hundred twelve billion, one hundred four million, eight hundred thirty-eight thousand, four hundred ninety-six".