12315052105 has 8 divisors (see below), whose sum is σ = 14779138752. Its totient is φ = 9851324208.

The previous prime is 12315052091. The next prime is 12315052111. The reversal of 12315052105 is 50125051321.

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

It is a cyclic number.

It is not a de Polignac number, because 12315052105 - 2²³ = 12306663497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12315052105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7279 + ... + 157108.

It is an arithmetic number, because the mean of its divisors is an integer number (1847392344).

Almost surely, 2^12315052105 is an apocalyptic number.

It is an amenable number.

12315052105 is a deficient number, since it is larger than the sum of its proper divisors (2464086647).

12315052105 is a wasteful number, since it uses less digits than its factorization.

12315052105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179375.

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 12315052105 in words is "twelve billion, three hundred fifteen million, fifty-two thousand, one hundred five".