12103003311 has 16 divisors (see below), whose sum is σ = 18664875264. Its totient is φ = 6832675584.

The previous prime is 12103003303. The next prime is 12103003313. The reversal of 12103003311 is 11330030121.

It is not a de Polignac number, because 12103003311 - 2³ = 12103003303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103003313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3470146 + ... + 3473631.

It is an arithmetic number, because the mean of its divisors is an integer number (1166554704).

Almost surely, 2^12103003311 is an apocalyptic number.

12103003311 is a deficient number, since it is larger than the sum of its proper divisors (6561871953).

12103003311 is an equidigital number, since it uses as much as digits as its factorization.

12103003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943870.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 12103003311 its reverse (11330030121), we get a palindrome (23433033432).

The spelling of 12103003311 in words is "twelve billion, one hundred three million, three thousand, three hundred eleven".