5212780000 has 120 divisors (see below), whose sum is σ = 12961251072. Its totient is φ = 2062848000.

The previous prime is 5212779997. The next prime is 5212780019. The reversal of 5212780000 is 872125.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 1938657 + ... + 1941343.

Almost surely, 2^5212780000 is an apocalyptic number.

5212780000 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 5212780000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6480625536).

5212780000 is an abundant number, since it is smaller than the sum of its proper divisors (7748471072).

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

5212780000 is an equidigital number, since it uses as much as digits as its factorization.

5212780000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2791 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 5212780000 is about 72199.5844863390. The cubic root of 5212780000 is about 1733.8963489902.

The spelling of 5212780000 in words is "five billion, two hundred twelve million, seven hundred eighty thousand".