12103143432412 has 6 divisors (see below), whose sum is σ = 21180501006728. Its totient is φ = 6051571716204.

The previous prime is 12103143432389. The next prime is 12103143432427. The reversal of 12103143432412 is 21423434130121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512892929048 + ... + 1512892929055.

Almost surely, 2^{12103143432412} is an apocalyptic number.

It is an amenable number.

12103143432412 is a deficient number, since it is larger than the sum of its proper divisors (9077357574316).

12103143432412 is a wasteful number, since it uses less digits than its factorization.

12103143432412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025785858107 (or 3025785858105 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 12103143432412 its reverse (21423434130121), we get a palindrome (33526577562533).

The spelling of 12103143432412 in words is "twelve trillion, one hundred three billion, one hundred forty-three million, four hundred thirty-two thousand, four hundred twelve".