1205522052530 has 16 divisors (see below), whose sum is σ = 2182062265920. Its totient is φ = 479514916272.

The previous prime is 1205522052517. The next prime is 1205522052533. The reversal of 1205522052530 is 352502255021.

It is a super-2 number, since 2×1205522052530² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1205522052533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336736214 + ... + 336739793.

It is an arithmetic number, because the mean of its divisors is an integer number (136378891620).

Almost surely, 2^{1205522052530} is an apocalyptic number.

1205522052530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205522052530 is a deficient number, since it is larger than the sum of its proper divisors (976540213390).

1205522052530 is a wasteful number, since it uses less digits than its factorization.

1205522052530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673476193.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 1205522052530 in words is "one trillion, two hundred five billion, five hundred twenty-two million, fifty-two thousand, five hundred thirty".