12015016310415 has 32 divisors (see below), whose sum is σ = 19401783413760. Its totient is φ = 6348764686464.

The previous prime is 12015016310413. The next prime is 12015016310417. The reversal of 12015016310415 is 51401361051021.

It is an interprime number because it is at equal distance from previous prime (12015016310413) and next prime (12015016310417).

It is not a de Polignac number, because 12015016310415 - 2¹ = 12015016310413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12015016310411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23201242 + ... + 23713448.

It is an arithmetic number, because the mean of its divisors is an integer number (606305731680).

Almost surely, 2^{12015016310415} is an apocalyptic number.

12015016310415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12015016310415 is a deficient number, since it is larger than the sum of its proper divisors (7386767103345).

12015016310415 is a wasteful number, since it uses less digits than its factorization.

12015016310415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526671.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 12015016310415 its reverse (51401361051021), we get a palindrome (63416377361436).

The spelling of 12015016310415 in words is "twelve trillion, fifteen billion, sixteen million, three hundred ten thousand, four hundred fifteen".