12011340389 has 4 divisors (see below), whose sum is σ = 12043032960. Its totient is φ = 11979647820.

The previous prime is 12011340373. The next prime is 12011340431. The reversal of 12011340389 is 98304311021.

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 12011340389 - 2⁴ = 12011340373 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 (12011340589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15845717 + ... + 15846474.

It is an arithmetic number, because the mean of its divisors is an integer number (3010758240).

Almost surely, 2^12011340389 is an apocalyptic number.

It is an amenable number.

12011340389 is a deficient number, since it is larger than the sum of its proper divisors (31692571).

12011340389 is an equidigital number, since it uses as much as digits as its factorization.

12011340389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31692570.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 12011340389 in words is "twelve billion, eleven million, three hundred forty thousand, three hundred eighty-nine".