1321012003434 has 8 divisors (see below), whose sum is σ = 2642024006880. Its totient is φ = 440337334476.

The previous prime is 1321012003417. The next prime is 1321012003457. The reversal of 1321012003434 is 4343002101231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1321012003434 is an admirable number.

It is an unprimeable number.

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, 110084333614 + ... + 110084333625.

It is an arithmetic number, because the mean of its divisors is an integer number (330253000860).

Almost surely, 2^{1321012003434} is an apocalyptic number.

1321012003434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1321012003434 is a wasteful number, since it uses less digits than its factorization.

1321012003434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220168667244.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1321012003434 its reverse (4343002101231), we get a palindrome (5664014104665).

The spelling of 1321012003434 in words is "one trillion, three hundred twenty-one billion, twelve million, three thousand, four hundred thirty-four".