1321043034252 has 24 divisors (see below), whose sum is σ = 3082776453232. Its totient is φ = 440298720000.

The previous prime is 1321043034191. The next prime is 1321043034253. The reversal of 1321043034252 is 2524303401231.

It is not an unprimeable number, because it can be changed into a prime (1321043034253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6007249 + ... + 6223272.

Almost surely, 2^{1321043034252} is an apocalyptic number.

1321043034252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1321043034252 is an abundant number, since it is smaller than the sum of its proper divisors (1761733418980).

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

1321043034252 is a wasteful number, since it uses less digits than its factorization.

1321043034252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12239529 (or 12239527 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 1321043034252 its reverse (2524303401231), we get a palindrome (3845346435483).

The spelling of 1321043034252 in words is "one trillion, three hundred twenty-one billion, forty-three million, thirty-four thousand, two hundred fifty-two".