1012111432 has 16 divisors (see below), whose sum is σ = 1898102700. Its totient is φ = 505950720.

The previous prime is 1012111421. The next prime is 1012111459. The reversal of 1012111432 is 2341112101.

It can be written as a sum of positive squares in 2 ways, for example, as 992628036 + 19483396 = 31506^2 + 4414^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40944 + ... + 60832.

Almost surely, 2^1012111432 is an apocalyptic number.

It is an amenable number.

1012111432 is a deficient number, since it is larger than the sum of its proper divisors (885991268).

1012111432 is a wasteful number, since it uses less digits than its factorization.

1012111432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26256 (or 26252 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1012111432 is about 31813.6988104181. The cubic root of 1012111432 is about 1004.0209542565.

Adding to 1012111432 its reverse (2341112101), we get a palindrome (3353223533).

The spelling of 1012111432 in words is "one billion, twelve million, one hundred eleven thousand, four hundred thirty-two".