1217032342125 has 32 divisors (see below), whose sum is σ = 2025254899200. Its totient is φ = 649047672000.

The previous prime is 1217032342093. The next prime is 1217032342129. The reversal of 1217032342125 is 5212432307121.

It is not a de Polignac number, because 1217032342125 - 2⁵ = 1217032342093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217032342129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7475340 + ... + 7636410.

It is an arithmetic number, because the mean of its divisors is an integer number (63289215600).

Almost surely, 2^{1217032342125} is an apocalyptic number.

1217032342125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1217032342125 is a deficient number, since it is larger than the sum of its proper divisors (808222557075).

1217032342125 is a wasteful number, since it uses less digits than its factorization.

1217032342125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181238 (or 181228 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 1217032342125 its reverse (5212432307121), we get a palindrome (6429464649246).

The spelling of 1217032342125 in words is "one trillion, two hundred seventeen billion, thirty-two million, three hundred forty-two thousand, one hundred twenty-five".