1212327316125 has 24 divisors (see below), whose sum is σ = 2185422043896. Its totient is φ = 646574568000.

The previous prime is 1212327316097. The next prime is 1212327316219. The reversal of 1212327316125 is 5216137232121.

1212327316125 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 3 + 2 + 7 + 31 + 612 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8679158244 + 1203648157881 = 93162^2 + 1097109^2 .

It is not a de Polignac number, because 1212327316125 - 2⁸ = 1212327315869 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 1212327316125.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 538811016 + ... + 538813265.

It is an arithmetic number, because the mean of its divisors is an integer number (91059251829).

Almost surely, 2^{1212327316125} is an apocalyptic number.

1212327316125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1212327316125 is a deficient number, since it is larger than the sum of its proper divisors (973094727771).

1212327316125 is a wasteful number, since it uses less digits than its factorization.

1212327316125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077624302 (or 1077624289 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The spelling of 1212327316125 in words is "one trillion, two hundred twelve billion, three hundred twenty-seven million, three hundred sixteen thousand, one hundred twenty-five".