12140223401 has 4 divisors (see below), whose sum is σ = 12166558404. Its totient is φ = 12113888400.

The previous prime is 12140223367. The next prime is 12140223409. The reversal of 12140223401 is 10432204121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10432204121 = 59 ⋅176817019.

It can be written as a sum of positive squares in 2 ways, for example, as 5147919001 + 6992304400 = 71749^2 + 83620^2 .

It is a cyclic number.

It is not a de Polignac number, because 12140223401 - 2¹⁴ = 12140207017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12140223409) 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, 13166810 + ... + 13167731.

It is an arithmetic number, because the mean of its divisors is an integer number (3041639601).

Almost surely, 2^12140223401 is an apocalyptic number.

It is an amenable number.

12140223401 is a deficient number, since it is larger than the sum of its proper divisors (26335003).

12140223401 is an equidigital number, since it uses as much as digits as its factorization.

12140223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26335002.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12140223401 its reverse (10432204121), we get a palindrome (22572427522).

The spelling of 12140223401 in words is "twelve billion, one hundred forty million, two hundred twenty-three thousand, four hundred one".