12120000011 has 16 divisors (see below), whose sum is σ = 14373696000. Its totient is φ = 10212476904.

The previous prime is 12119999999. The next prime is 12120000019. The reversal of 12120000011 is 11000002121.

It is not a de Polignac number, because 12120000011 - 2¹⁰ = 12119998987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120000019) 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, 279215 + ... + 319688.

It is an arithmetic number, because the mean of its divisors is an integer number (898356000).

Almost surely, 2^12120000011 is an apocalyptic number.

12120000011 is a deficient number, since it is larger than the sum of its proper divisors (2253695989).

12120000011 is an frugal number, since it uses more digits than its factorization.

12120000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598983 (or 598969 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12120000011 its reverse (11000002121), we get a palindrome (23120002132).

The spelling of 12120000011 in words is "twelve billion, one hundred twenty million, eleven", and thus it is an aban number.