12351428745 has 16 divisors (see below), whose sum is σ = 19773678912. Its totient is φ = 6583631040.

The previous prime is 12351428729. The next prime is 12351428777. The reversal of 12351428745 is 54782415321.

It is not a de Polignac number, because 12351428745 - 2⁴ = 12351428729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12351428697 and 12351428706.

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, 210367 + ... + 262596.

It is an arithmetic number, because the mean of its divisors is an integer number (1235854932).

Almost surely, 2^12351428745 is an apocalyptic number.

12351428745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12351428745 is a deficient number, since it is larger than the sum of its proper divisors (7422250167).

12351428745 is a wasteful number, since it uses less digits than its factorization.

12351428745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474712.

The product of its digits is 268800, while the sum is 42.

The spelling of 12351428745 in words is "twelve billion, three hundred fifty-one million, four hundred twenty-eight thousand, seven hundred forty-five".