12011220193 has 4 divisors (see below), whose sum is σ = 13727108800. Its totient is φ = 10295331588.

The previous prime is 12011220187. The next prime is 12011220197. The reversal of 12011220193 is 39102211021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12011220193 - 2⁵ = 12011220161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011220197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857944293 + ... + 857944306.

It is an arithmetic number, because the mean of its divisors is an integer number (3431777200).

Almost surely, 2^12011220193 is an apocalyptic number.

It is an amenable number.

12011220193 is a deficient number, since it is larger than the sum of its proper divisors (1715888607).

12011220193 is an equidigital number, since it uses as much as digits as its factorization.

12011220193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715888606.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 12011220193 in words is "twelve billion, eleven million, two hundred twenty thousand, one hundred ninety-three".