12103120011 has 8 divisors (see below), whose sum is σ = 16143829504. Its totient is φ = 8065578600.

The previous prime is 12103119989. The next prime is 12103120019. The reversal of 12103120011 is 11002130121.

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

It is not a de Polignac number, because 12103120011 - 2¹⁰ = 12103118987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103120019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783091 + ... + 798396.

It is an arithmetic number, because the mean of its divisors is an integer number (2017978688).

Almost surely, 2^12103120011 is an apocalyptic number.

12103120011 is a deficient number, since it is larger than the sum of its proper divisors (4040709493).

12103120011 is a wasteful number, since it uses less digits than its factorization.

12103120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584041.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12103120011 its reverse (11002130121), we get a palindrome (23105250132).

The spelling of 12103120011 in words is "twelve billion, one hundred three million, one hundred twenty thousand, eleven".