12142112401 has 4 divisors (see below), whose sum is σ = 12424487152. Its totient is φ = 11859737652.

The previous prime is 12142112383. The next prime is 12142112417. The reversal of 12142112401 is 10421124121.

It is a happy number.

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 12142112401 - 2¹³ = 12142104209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142142401) 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, 141187311 + ... + 141187396.

It is an arithmetic number, because the mean of its divisors is an integer number (3106121788).

Almost surely, 2^12142112401 is an apocalyptic number.

It is an amenable number.

12142112401 is a deficient number, since it is larger than the sum of its proper divisors (282374751).

12142112401 is an equidigital number, since it uses as much as digits as its factorization.

12142112401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282374750.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12142112401 its reverse (10421124121), we get a palindrome (22563236522).

The spelling of 12142112401 in words is "twelve billion, one hundred forty-two million, one hundred twelve thousand, four hundred one".