12140031409 has 32 divisors (see below), whose sum is σ = 13763699712. Its totient is φ = 10611000000.

The previous prime is 12140031401. The next prime is 12140031443. The reversal of 12140031409 is 90413004121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12140031409 - 2³ = 12140031401 is a prime.

It is a super-2 number, since 2×12140031409² (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 (12140031401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15425314 + ... + 15426100.

It is an arithmetic number, because the mean of its divisors is an integer number (430115616).

Almost surely, 2^12140031409 is an apocalyptic number.

It is an amenable number.

12140031409 is a deficient number, since it is larger than the sum of its proper divisors (1623668303).

12140031409 is a wasteful number, since it uses less digits than its factorization.

12140031409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 12140031409 in words is "twelve billion, one hundred forty million, thirty-one thousand, four hundred nine".