1205210300530 has 64 divisors (see below), whose sum is σ = 2281813079040. Its totient is φ = 457768396800.

The previous prime is 1205210300521. The next prime is 1205210300551. The reversal of 1205210300530 is 350030125021.

It is a super-2 number, since 2×1205210300530² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3447562 + ... + 3781018.

It is an arithmetic number, because the mean of its divisors is an integer number (35653329360).

Almost surely, 2^{1205210300530} is an apocalyptic number.

1205210300530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1205210300530 is a deficient number, since it is larger than the sum of its proper divisors (1076602778510).

1205210300530 is a wasteful number, since it uses less digits than its factorization.

1205210300530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333715.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 1205210300530 its reverse (350030125021), we get a palindrome (1555240425551).

The spelling of 1205210300530 in words is "one trillion, two hundred five billion, two hundred ten million, three hundred thousand, five hundred thirty".