12419448128 has 28 divisors (see below), whose sum is σ = 25494668340. Its totient is φ = 5995594752.

The previous prime is 12419448101. The next prime is 12419448131. The reversal of 12419448128 is 82184491421.

It can be written as a sum of positive squares in 2 ways, for example, as 8958243904 + 3461204224 = 94648^2 + 58832^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3343901 + ... + 3347612.

Almost surely, 2^12419448128 is an apocalyptic number.

It is an amenable number.

12419448128 is an abundant number, since it is smaller than the sum of its proper divisors (13075220212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12419448128 is an equidigital number, since it uses as much as digits as its factorization.

12419448128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691554 (or 6691544 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The spelling of 12419448128 in words is "twelve billion, four hundred nineteen million, four hundred forty-eight thousand, one hundred twenty-eight".