12123232515115 has 8 divisors (see below), whose sum is σ = 14548158544608. Its totient is φ = 9698399661120.

The previous prime is 12123232515091. The next prime is 12123232515137. The reversal of 12123232515115 is 51151523232121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12123232515115 - 2⁴¹ = 9924209259563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23007306 + ... + 23528335.

It is an arithmetic number, because the mean of its divisors is an integer number (1818519818076).

Almost surely, 2^{12123232515115} is an apocalyptic number.

12123232515115 is a deficient number, since it is larger than the sum of its proper divisors (2424926029493).

12123232515115 is an equidigital number, since it uses as much as digits as its factorization.

12123232515115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46587749.

The product of its digits is 18000, while the sum is 34.

Adding to 12123232515115 its reverse (51151523232121), we get a palindrome (63274755747236).

The spelling of 12123232515115 in words is "twelve trillion, one hundred twenty-three billion, two hundred thirty-two million, five hundred fifteen thousand, one hundred fifteen".