1305451441212 has 24 divisors (see below), whose sum is σ = 3046071979776. Its totient is φ = 435147820848.

The previous prime is 1305451441127. The next prime is 1305451441237. The reversal of 1305451441212 is 2121441545031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3302893 + ... + 3676955.

It is an arithmetic number, because the mean of its divisors is an integer number (126919665824).

Almost surely, 2^{1305451441212} is an apocalyptic number.

1305451441212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305451441212 is an abundant number, since it is smaller than the sum of its proper divisors (1740620538564).

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

1305451441212 is a wasteful number, since it uses less digits than its factorization.

1305451441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664897 (or 664895 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 1305451441212 its reverse (2121441545031), we get a palindrome (3426892986243).

The spelling of 1305451441212 in words is "one trillion, three hundred five billion, four hundred fifty-one million, four hundred forty-one thousand, two hundred twelve".