12091211110 has 32 divisors (see below), whose sum is σ = 23747634432. Its totient is φ = 4395898080.

The previous prime is 12091211039. The next prime is 12091211129. The reversal of 12091211110 is 1111219021.

12091211110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12091211110² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766927 + ... + 782533.

It is an arithmetic number, because the mean of its divisors is an integer number (742113576).

Almost surely, 2^12091211110 is an apocalyptic number.

12091211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12091211110 is a deficient number, since it is larger than the sum of its proper divisors (11656423322).

12091211110 is a wasteful number, since it uses less digits than its factorization.

12091211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22668.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 12091211110 in words is "twelve billion, ninety-one million, two hundred eleven thousand, one hundred ten".