12103378834 has 8 divisors (see below), whose sum is σ = 18334821708. Its totient is φ = 5991771600.

The previous prime is 12103378831. The next prime is 12103378843. The reversal of 12103378834 is 43887330121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11762053209 + 341325625 = 108453^2 + 18475^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12103378831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29958657 + ... + 29959060.

Almost surely, 2^12103378834 is an apocalyptic number.

12103378834 is a deficient number, since it is larger than the sum of its proper divisors (6231442874).

12103378834 is a wasteful number, since it uses less digits than its factorization.

12103378834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59917820.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12103378834 in words is "twelve billion, one hundred three million, three hundred seventy-eight thousand, eight hundred thirty-four".