1220524512200 has 96 divisors (see below), whose sum is σ = 3243836012160. Its totient is φ = 418371609600.

The previous prime is 1220524512191. The next prime is 1220524512241. The reversal of 1220524512200 is 22154250221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220524512200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6289829 + ... + 6480971.

It is an arithmetic number, because the mean of its divisors is an integer number (33789958460).

Almost surely, 2^{1220524512200} is an apocalyptic number.

1220524512200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220524512200 is an abundant number, since it is smaller than the sum of its proper divisors (2023311499960).

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

1220524512200 is a wasteful number, since it uses less digits than its factorization.

1220524512200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195727 (or 195718 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 1220524512200 its reverse (22154250221), we get a palindrome (1242678762421).

The spelling of 1220524512200 in words is "one trillion, two hundred twenty billion, five hundred twenty-four million, five hundred twelve thousand, two hundred".