12103204042 has 8 divisors (see below), whose sum is σ = 18155287332. Its totient is φ = 6051441600.

The previous prime is 12103204031. The next prime is 12103204063. The reversal of 12103204042 is 24040230121.

It can be written as a sum of positive squares in 2 ways, for example, as 10086385761 + 2016818281 = 100431^2 + 44909^2 .

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

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, 71442 + ... + 171202.

Almost surely, 2^12103204042 is an apocalyptic number.

12103204042 is a deficient number, since it is larger than the sum of its proper divisors (6052083290).

12103204042 is an equidigital number, since it uses as much as digits as its factorization.

12103204042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160424.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12103204042 its reverse (24040230121), we get a palindrome (36143434163).

The spelling of 12103204042 in words is "twelve billion, one hundred three million, two hundred four thousand, forty-two".