12023315514015 has 64 divisors (see below), whose sum is σ = 21864412200960. Its totient is φ = 5592993408000.

The previous prime is 12023315513899. The next prime is 12023315514017. The reversal of 12023315514015 is 51041551332021.

It is not a de Polignac number, because 12023315514015 - 2⁷ = 12023315513887 is a prime.

It is a super-2 number, since 2×12023315514015² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023315514017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2817486 + ... + 5655515.

It is an arithmetic number, because the mean of its divisors is an integer number (341631440640).

Almost surely, 2^{12023315514015} is an apocalyptic number.

12023315514015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12023315514015 is a deficient number, since it is larger than the sum of its proper divisors (9841096686945).

12023315514015 is a wasteful number, since it uses less digits than its factorization.

12023315514015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8473424.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 12023315514015 its reverse (51041551332021), we get a palindrome (63064866846036).

The spelling of 12023315514015 in words is "twelve trillion, twenty-three billion, three hundred fifteen million, five hundred fourteen thousand, fifteen".