1043143221612 has 12 divisors (see below), whose sum is σ = 2434000850456. Its totient is φ = 347714407200.

The previous prime is 1043143221587. The next prime is 1043143221613. The reversal of 1043143221612 is 2161223413401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1043143221612.

It is not an unprimeable number, because it can be changed into a prime (1043143221613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43464300889 + ... + 43464300912.

Almost surely, 2^{1043143221612} is an apocalyptic number.

1043143221612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1043143221612 is an abundant number, since it is smaller than the sum of its proper divisors (1390857628844).

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

1043143221612 is a wasteful number, since it uses less digits than its factorization.

1043143221612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86928601808 (or 86928601806 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 1043143221612 in words is "one trillion, forty-three billion, one hundred forty-three million, two hundred twenty-one thousand, six hundred twelve".