12152105745 has 32 divisors (see below), whose sum is σ = 21006445824. Its totient is φ = 5963308800.

The previous prime is 12152105723. The next prime is 12152105753. The reversal of 12152105745 is 54750125121.

It is not a de Polignac number, because 12152105745 - 2⁶ = 12152105681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39546 + ... + 160835.

It is an arithmetic number, because the mean of its divisors is an integer number (656451432).

Almost surely, 2^12152105745 is an apocalyptic number.

12152105745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12152105745 is a deficient number, since it is larger than the sum of its proper divisors (8854340079).

12152105745 is a wasteful number, since it uses less digits than its factorization.

12152105745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200713.

The product of its (nonzero) digits is 14000, while the sum is 33.

The spelling of 12152105745 in words is "twelve billion, one hundred fifty-two million, one hundred five thousand, seven hundred forty-five".