7051210000 has 100 divisors (see below), whose sum is σ = 17230968700. Its totient is φ = 2794176000.

The previous prime is 7051209989. The next prime is 7051210021. The reversal of 7051210000 is 121507.

It can be written as a sum of positive squares in 10 ways, for example, as 6333613056 + 717596944 = 79584^2 + 26788^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1086766 + ... + 1093234.

It is an arithmetic number, because the mean of its divisors is an integer number (172309687).

Almost surely, 2^7051210000 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 7051210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8615484350).

7051210000 is an abundant number, since it is smaller than the sum of its proper divisors (10179758700).

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

7051210000 is a wasteful number, since it uses less digits than its factorization.

7051210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606 (or 6585 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 7051210000 is about 83971.4832547336. The cubic root of 7051210000 is about 1917.5846726134.

Adding to 7051210000 its reverse (121507), we get a palindrome (7051331507).

The spelling of 7051210000 in words is "seven billion, fifty-one million, two hundred ten thousand".