1209327344025 has 48 divisors (see below), whose sum is σ = 2029405347840. Its totient is φ = 635367873600.

The previous prime is 1209327344023. The next prime is 1209327344041. The reversal of 1209327344025 is 5204437239021.

It is not a de Polignac number, because 1209327344025 - 2¹ = 1209327344023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1209327344023) 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 47 ways as a sum of consecutive naturals, for example, 1065666 + ... + 1885284.

It is an arithmetic number, because the mean of its divisors is an integer number (42279278080).

Almost surely, 2^{1209327344025} is an apocalyptic number.

1209327344025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1209327344025 is a deficient number, since it is larger than the sum of its proper divisors (820078003815).

1209327344025 is a wasteful number, since it uses less digits than its factorization.

1209327344025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819926 (or 819921 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 1209327344025 in words is "one trillion, two hundred nine billion, three hundred twenty-seven million, three hundred forty-four thousand, twenty-five".