1305313124052 has 144 divisors (see below), whose sum is σ = 3783015194112. Its totient is φ = 348435299520.

The previous prime is 1305313124021. The next prime is 1305313124057. The reversal of 1305313124052 is 2504213135031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305313124057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 540774 + ... + 1703837.

It is an arithmetic number, because the mean of its divisors is an integer number (26270938848).

Almost surely, 2^{1305313124052} is an apocalyptic number.

1305313124052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305313124052 is an abundant number, since it is smaller than the sum of its proper divisors (2477702070060).

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

1305313124052 is a wasteful number, since it uses less digits than its factorization.

1305313124052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244698 (or 2244689 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1305313124052 its reverse (2504213135031), we get a palindrome (3809526259083).

The spelling of 1305313124052 in words is "one trillion, three hundred five billion, three hundred thirteen million, one hundred twenty-four thousand, fifty-two".