12002142401 has 4 divisors (see below), whose sum is σ = 12228597972. Its totient is φ = 11775686832.

The previous prime is 12002142379. The next prime is 12002142403. The reversal of 12002142401 is 10424120021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3376191025 + 8625951376 = 58105^2 + 92876^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002142401 - 2¹⁰ = 12002141377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12002142401.

It is not an unprimeable number, because it can be changed into a prime (12002142403) 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, 113227706 + ... + 113227811.

It is an arithmetic number, because the mean of its divisors is an integer number (3057149493).

Almost surely, 2^12002142401 is an apocalyptic number.

It is an amenable number.

12002142401 is a deficient number, since it is larger than the sum of its proper divisors (226455571).

12002142401 is an equidigital number, since it uses as much as digits as its factorization.

12002142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226455570.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12002142401 its reverse (10424120021), we get a palindrome (22426262422).

The spelling of 12002142401 in words is "twelve billion, two million, one hundred forty-two thousand, four hundred one".