6522120000 has 840 divisors, whose sum is σ = 26861426592. Its totient is φ = 1555200000.

The previous prime is 6522119993. The next prime is 6522120029. The reversal of 6522120000 is 212256.

6522120000 is a `hidden beast` number, since 652 + 2 + 12 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 106919970 + ... + 106920030.

Almost surely, 2^6522120000 is an apocalyptic number.

6522120000 is a gapful number since it is divisible by the number (60) 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 6522120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13430713296).

6522120000 is an abundant number, since it is smaller than the sum of its proper divisors (20339306592).

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

6522120000 is an equidigital number, since it uses as much as digits as its factorization.

6522120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 6522120000 is about 80759.6433870284. The cubic root of 6522120000 is about 1868.3701852601.

Adding to 6522120000 its reverse (212256), we get a palindrome (6522332256).

The spelling of 6522120000 in words is "six billion, five hundred twenty-two million, one hundred twenty thousand".