1012144432 has 40 divisors (see below), whose sum is σ = 2132832240. Its totient is φ = 462508800.

The previous prime is 1012144429. The next prime is 1012144481. The reversal of 1012144432 is 2344412101.

It is a happy number.

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, 3082 + ... + 45097.

It is an arithmetic number, because the mean of its divisors is an integer number (53320806).

Almost surely, 2^1012144432 is an apocalyptic number.

It is an amenable number.

1012144432 is an abundant number, since it is smaller than the sum of its proper divisors (1120687808).

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

1012144432 is a wasteful number, since it uses less digits than its factorization.

1012144432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48301 (or 48295 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1012144432 is about 31814.2174506933. The cubic root of 1012144432 is about 1004.0318662076.

Adding to 1012144432 its reverse (2344412101), we get a palindrome (3356556533).

The spelling of 1012144432 in words is "one billion, twelve million, one hundred forty-four thousand, four hundred thirty-two".