12001203442406 has 4 divisors (see below), whose sum is σ = 18001805163612. Its totient is φ = 6000601721202.

The previous prime is 12001203442357. The next prime is 12001203442433. The reversal of 12001203442406 is 60424430210021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000300860600 + ... + 3000300860603.

It is an arithmetic number, because the mean of its divisors is an integer number (4500451290903).

Almost surely, 2^{12001203442406} is an apocalyptic number.

12001203442406 is a deficient number, since it is larger than the sum of its proper divisors (6000601721206).

12001203442406 is an equidigital number, since it uses as much as digits as its factorization.

12001203442406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000601721205.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12001203442406 its reverse (60424430210021), we get a palindrome (72425633652427).

The spelling of 12001203442406 in words is "twelve trillion, one billion, two hundred three million, four hundred forty-two thousand, four hundred six".