12003111391 has 8 divisors (see below), whose sum is σ = 12068743104. Its totient is φ = 11937515520.

The previous prime is 12003111311. The next prime is 12003111413. The reversal of 12003111391 is 19311130021.

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 12003111391 - 2¹³ = 12003103199 is a prime.

It is a super-3 number, since 3×12003111391³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003111301) 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, 923226 + ... + 936136.

It is an arithmetic number, because the mean of its divisors is an integer number (1508592888).

Almost surely, 2^12003111391 is an apocalyptic number.

12003111391 is a deficient number, since it is larger than the sum of its proper divisors (65631713).

12003111391 is a wasteful number, since it uses less digits than its factorization.

12003111391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17921.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 12003111391 in words is "twelve billion, three million, one hundred eleven thousand, three hundred ninety-one".