12415128140285 has 16 divisors (see below), whose sum is σ = 16052731779504. Its totient is φ = 9163199665152.

The previous prime is 12415128140279. The next prime is 12415128140353. The reversal of 12415128140285 is 58204182151421.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 455275417081 + 11959852723204 = 674741^2 + 3458302^2 .

It is not a de Polignac number, because 12415128140285 - 2⁸ = 12415128140029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50866502 + ... + 51109991.

It is an arithmetic number, because the mean of its divisors is an integer number (1003295736219).

Almost surely, 2^{12415128140285} is an apocalyptic number.

It is an amenable number.

12415128140285 is a deficient number, since it is larger than the sum of its proper divisors (3637603639219).

12415128140285 is a wasteful number, since it uses less digits than its factorization.

12415128140285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101978384.

The product of its (nonzero) digits is 204800, while the sum is 44.

The spelling of 12415128140285 in words is "twelve trillion, four hundred fifteen billion, one hundred twenty-eight million, one hundred forty thousand, two hundred eighty-five".