12013002111 has 32 divisors (see below), whose sum is σ = 19475078400. Its totient is φ = 6491681280.

The previous prime is 12013002059. The next prime is 12013002163. The reversal of 12013002111 is 11120031021.

It is an interprime number because it is at equal distance from previous prime (12013002059) and next prime (12013002163).

It is not a de Polignac number, because 12013002111 - 2¹⁰ = 12013001087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013002611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552856 + ... + 574173.

It is an arithmetic number, because the mean of its divisors is an integer number (608596200).

Almost surely, 2^12013002111 is an apocalyptic number.

12013002111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12013002111 is a deficient number, since it is larger than the sum of its proper divisors (7462076289).

12013002111 is a wasteful number, since it uses less digits than its factorization.

12013002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127079.

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

Adding to 12013002111 its reverse (11120031021), we get a palindrome (23133033132).

The spelling of 12013002111 in words is "twelve billion, thirteen million, two thousand, one hundred eleven".