1326256938132 has 48 divisors (see below), whose sum is σ = 3581453352960. Its totient is φ = 374133962592.

The previous prime is 1326256938131. The next prime is 1326256938203. The reversal of 1326256938132 is 2318396526231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326256938131) 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 15 ways as a sum of consecutive naturals, for example, 99922308 + ... + 99935579.

It is an arithmetic number, because the mean of its divisors is an integer number (74613611520).

Almost surely, 2^{1326256938132} is an apocalyptic number.

1326256938132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1326256938132 is an abundant number, since it is smaller than the sum of its proper divisors (2255196414828).

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

1326256938132 is a wasteful number, since it uses less digits than its factorization.

1326256938132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199857980 (or 199857978 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The spelling of 1326256938132 in words is "one trillion, three hundred twenty-six billion, two hundred fifty-six million, nine hundred thirty-eight thousand, one hundred thirty-two".