1325206012005 has 24 divisors (see below), whose sum is σ = 2312235843840. Its totient is φ = 702095896800.

The previous prime is 1325206012001. The next prime is 1325206012019. The reversal of 1325206012005 is 5002106025231.

It is a happy number.

1325206012005 is a `hidden beast` number, since 1 + 3 + 2 + 52 + 0 + 601 + 2 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 1325206012005 - 2² = 1325206012001 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325206012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325206012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97506525 + ... + 97520114.

It is an arithmetic number, because the mean of its divisors is an integer number (96343160160).

Almost surely, 2^{1325206012005} is an apocalyptic number.

1325206012005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325206012005 is a deficient number, since it is larger than the sum of its proper divisors (987029831835).

1325206012005 is a wasteful number, since it uses less digits than its factorization.

1325206012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195026801 (or 195026798 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 1325206012005 in words is "one trillion, three hundred twenty-five billion, two hundred six million, twelve thousand, five".