1201000552530 has 16 divisors (see below), whose sum is σ = 2882401326144. Its totient is φ = 320266814000.

The previous prime is 1201000552529. The next prime is 1201000552573. The reversal of 1201000552530 is 352550001021.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201000552530.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20016675846 + ... + 20016675905.

It is an arithmetic number, because the mean of its divisors is an integer number (180150082884).

Almost surely, 2^{1201000552530} is an apocalyptic number.

1201000552530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201000552530 is an abundant number, since it is smaller than the sum of its proper divisors (1681400773614).

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

1201000552530 is a wasteful number, since it uses less digits than its factorization.

1201000552530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40033351761.

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 1201000552530 its reverse (352550001021), we get a palindrome (1553550553551).

The spelling of 1201000552530 in words is "one trillion, two hundred one billion, five hundred fifty-two thousand, five hundred thirty".