12106211969 has 16 divisors (see below), whose sum is σ = 12843492480. Its totient is φ = 11379242880.

The previous prime is 12106211941. The next prime is 12106211981. The reversal of 12106211969 is 96911260121.

It is not a de Polignac number, because 12106211969 - 2²⁰ = 12105163393 is a prime.

It is a super-2 number, since 2×12106211969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12106201969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567772 + ... + 1575474.

It is an arithmetic number, because the mean of its divisors is an integer number (802718280).

Almost surely, 2^12106211969 is an apocalyptic number.

12106211969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12106211969 is a deficient number, since it is larger than the sum of its proper divisors (737280511).

12106211969 is a wasteful number, since it uses less digits than its factorization.

12106211969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8360.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 12106211969 in words is "twelve billion, one hundred six million, two hundred eleven thousand, nine hundred sixty-nine".