1326252252243 has 16 divisors (see below), whose sum is σ = 1769314599936. Its totient is φ = 883679184960.

The previous prime is 1326252252233. The next prime is 1326252252263. The reversal of 1326252252243 is 3422522526231.

It is not a de Polignac number, because 1326252252243 - 2¹⁷ = 1326252121171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1326252252203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45208246 + ... + 45237572.

It is an arithmetic number, because the mean of its divisors is an integer number (110582162496).

Almost surely, 2^{1326252252243} is an apocalyptic number.

1326252252243 is a deficient number, since it is larger than the sum of its proper divisors (443062347693).

1326252252243 is a wasteful number, since it uses less digits than its factorization.

1326252252243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37154.

The product of its digits is 345600, while the sum is 39.

Adding to 1326252252243 its reverse (3422522526231), we get a palindrome (4748774778474).

The spelling of 1326252252243 in words is "one trillion, three hundred twenty-six billion, two hundred fifty-two million, two hundred fifty-two thousand, two hundred forty-three".