1305042512412 has 24 divisors (see below), whose sum is σ = 3081787140096. Its totient is φ = 429773035888.

The previous prime is 1305042512407. The next prime is 1305042512471. The reversal of 1305042512412 is 2142152405031.

It is a self number, because there is not a number n which added to its sum of digits gives 1305042512412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655140828 + ... + 655142819.

It is an arithmetic number, because the mean of its divisors is an integer number (128407797504).

Almost surely, 2^{1305042512412} is an apocalyptic number.

1305042512412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305042512412 is an abundant number, since it is smaller than the sum of its proper divisors (1776744627684).

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

1305042512412 is a wasteful number, since it uses less digits than its factorization.

1305042512412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310283737 (or 1310283735 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1305042512412 its reverse (2142152405031), we get a palindrome (3447194917443).

The spelling of 1305042512412 in words is "one trillion, three hundred five billion, forty-two million, five hundred twelve thousand, four hundred twelve".