53012122200 has 72 divisors (see below), whose sum is σ = 178032383100. Its totient is φ = 14136565440.

The previous prime is 53012122181. The next prime is 53012122201. The reversal of 53012122200 is 222121035.

53012122200 is a `hidden beast` number, since 530 + 12 + 122 + 2 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53012122201) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 14723790 + ... + 14727389.

Almost surely, 2^53012122200 is an apocalyptic number.

53012122200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53012122200 is an abundant number, since it is smaller than the sum of its proper divisors (125020260900).

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

53012122200 is a wasteful number, since it uses less digits than its factorization.

53012122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29451201 (or 29451189 counting only the distinct ones).

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

Adding to 53012122200 its reverse (222121035), we get a palindrome (53234243235).

The spelling of 53012122200 in words is "fifty-three billion, twelve million, one hundred twenty-two thousand, two hundred".