12120010111 has 8 divisors (see below), whose sum is σ = 13917715200. Its totient is φ = 10438286040.

The previous prime is 12120010093. The next prime is 12120010157. The reversal of 12120010111 is 11101002121.

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

It is a cyclic number.

It is not a de Polignac number, because 12120010111 - 2¹⁵ = 12119977343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120010171) 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, 28995031 + ... + 28995448.

It is an arithmetic number, because the mean of its divisors is an integer number (1739714400).

Almost surely, 2^12120010111 is an apocalyptic number.

12120010111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12120010111 is a deficient number, since it is larger than the sum of its proper divisors (1797705089).

12120010111 is a wasteful number, since it uses less digits than its factorization.

12120010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57990509.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12120010111 its reverse (11101002121), we get a palindrome (23221012232).

The spelling of 12120010111 in words is "twelve billion, one hundred twenty million, ten thousand, one hundred eleven".