12142103432 has 16 divisors (see below), whose sum is σ = 23078314140. Its totient is φ = 5987886336.

The previous prime is 12142103419. The next prime is 12142103447. The reversal of 12142103432 is 23430124121.

It can be written as a sum of positive squares in 2 ways, for example, as 10896436996 + 1245666436 = 104386^2 + 35294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12142103398 and 12142103407.

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, 10395053 + ... + 10396220.

Almost surely, 2^12142103432 is an apocalyptic number.

It is an amenable number.

12142103432 is a deficient number, since it is larger than the sum of its proper divisors (10936210708).

12142103432 is a wasteful number, since it uses less digits than its factorization.

12142103432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20791352 (or 20791348 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12142103432 its reverse (23430124121), we get a palindrome (35572227553).

The spelling of 12142103432 in words is "twelve billion, one hundred forty-two million, one hundred three thousand, four hundred thirty-two".