1328021143612 has 12 divisors (see below), whose sum is σ = 2324346224760. Its totient is φ = 663922222256.

The previous prime is 1328021143567. The next prime is 1328021143619. The reversal of 1328021143612 is 2163411208231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328021143619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22053562 + ... + 22113697.

It is an arithmetic number, because the mean of its divisors is an integer number (193695518730).

Almost surely, 2^{1328021143612} is an apocalyptic number.

It is an amenable number.

1328021143612 is a deficient number, since it is larger than the sum of its proper divisors (996325081148).

1328021143612 is a wasteful number, since it uses less digits than its factorization.

1328021143612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44174780 (or 44174778 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 1328021143612 in words is "one trillion, three hundred twenty-eight billion, twenty-one million, one hundred forty-three thousand, six hundred twelve".