1012432112 has 40 divisors (see below), whose sum is σ = 1984783680. Its totient is φ = 500256000.

The previous prime is 1012432111. The next prime is 1012432121. The reversal of 1012432112 is 2112342101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012432111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309358 + ... + 1310130.

It is an arithmetic number, because the mean of its divisors is an integer number (49619592).

Almost surely, 2^1012432112 is an apocalyptic number.

It is an amenable number.

1012432112 is a deficient number, since it is larger than the sum of its proper divisors (972351568).

1012432112 is a wasteful number, since it uses less digits than its factorization.

1012432112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1012432112 is about 31818.7383785090. The cubic root of 1012432112 is about 1004.1269819233.

Adding to 1012432112 its reverse (2112342101), we get a palindrome (3124774213).

The spelling of 1012432112 in words is "one billion, twelve million, four hundred thirty-two thousand, one hundred twelve".