52212154545200 has 240 divisors, whose sum is σ = 136476030600000. Its totient is φ = 19080519168000.

The previous prime is 52212154545127. The next prime is 52212154545203. The reversal of 52212154545200 is 254545121225.

It is a super-2 number, since 2×52212154545200² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52212154545203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1575058226 + ... + 1575091374.

It is an arithmetic number, because the mean of its divisors is an integer number (568650127500).

Almost surely, 2^{52212154545200} is an apocalyptic number.

52212154545200 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 52212154545200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68238015300000).

52212154545200 is an abundant number, since it is smaller than the sum of its proper divisors (84263876054800).

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

52212154545200 is a wasteful number, since it uses less digits than its factorization.

52212154545200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36280 (or 36269 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

Adding to 52212154545200 its reverse (254545121225), we get a palindrome (52466699666425).

The spelling of 52212154545200 in words is "fifty-two trillion, two hundred twelve billion, one hundred fifty-four million, five hundred forty-five thousand, two hundred".