5121854712 has 96 divisors (see below), whose sum is σ = 14960181600. Its totient is φ = 1573694208.

The previous prime is 5121854711. The next prime is 5121854713. The reversal of 5121854712 is 2174581215.

It is a happy number.

5121854712 is a `hidden beast` number, since 5 + 1 + 2 + 185 + 471 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (5121854711) and next prime (5121854713).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121854711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719989 + ... + 727067.

It is an arithmetic number, because the mean of its divisors is an integer number (155835225).

Almost surely, 2^5121854712 is an apocalyptic number.

5121854712 is a gapful number since it is divisible by the number (52) 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 5121854712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7480090800).

5121854712 is an abundant number, since it is smaller than the sum of its proper divisors (9838326888).

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

5121854712 is a wasteful number, since it uses less digits than its factorization.

5121854712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877 (or 7870 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 5121854712 is about 71567.1343005992. The cubic root of 5121854712 is about 1723.7558443939.

The spelling of 5121854712 in words is "five billion, one hundred twenty-one million, eight hundred fifty-four thousand, seven hundred twelve".