12142103434 has 8 divisors (see below), whose sum is σ = 18214526340. Its totient is φ = 6070594656.

The previous prime is 12142103419. The next prime is 12142103447. The reversal of 12142103434 is 43430124121.

It can be written as a sum of positive squares in 2 ways, for example, as 10577505409 + 1564598025 = 102847^2 + 39555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12142103399 and 12142103408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194299 + ... + 249070.

Almost surely, 2^12142103434 is an apocalyptic number.

12142103434 is a deficient number, since it is larger than the sum of its proper divisors (6072422906).

12142103434 is a wasteful number, since it uses less digits than its factorization.

12142103434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457064.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12142103434 its reverse (43430124121), we get a palindrome (55572227555).

The spelling of 12142103434 in words is "twelve billion, one hundred forty-two million, one hundred three thousand, four hundred thirty-four".