12053445128 has 32 divisors (see below), whose sum is σ = 24141431160. Its totient is φ = 5622005760.

The previous prime is 12053445101. The next prime is 12053445133. The reversal of 12053445128 is 82154435021.

It can be written as a sum of positive squares in 4 ways, for example, as 5508311524 + 6545133604 = 74218^2 + 80902^2 .

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, 376793 + ... + 407528.

Almost surely, 2^12053445128 is an apocalyptic number.

It is an amenable number.

12053445128 is an abundant number, since it is smaller than the sum of its proper divisors (12087986032).

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

12053445128 is a wasteful number, since it uses less digits than its factorization.

12053445128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784457 (or 784453 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 12053445128 in words is "twelve billion, fifty-three million, four hundred forty-five thousand, one hundred twenty-eight".