1305630021324 has 48 divisors (see below), whose sum is σ = 3146452138368. Its totient is φ = 421116033408.

The previous prime is 1305630021299. The next prime is 1305630021331. The reversal of 1305630021324 is 4231200365031.

It is a junction number, because it is equal to n+sod(n) for n = 1305630021291 and 1305630021300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11768577 + ... + 11879000.

It is an arithmetic number, because the mean of its divisors is an integer number (65551086216).

Almost surely, 2^{1305630021324} is an apocalyptic number.

It is an amenable number.

1305630021324 is an abundant number, since it is smaller than the sum of its proper divisors (1840822117044).

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

1305630021324 is a wasteful number, since it uses less digits than its factorization.

1305630021324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23647734 (or 23647732 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1305630021324 its reverse (4231200365031), we get a palindrome (5536830386355).

The spelling of 1305630021324 in words is "one trillion, three hundred five billion, six hundred thirty million, twenty-one thousand, three hundred twenty-four".