12421015201 has 16 divisors (see below), whose sum is σ = 15548768640. Its totient is φ = 9674784000.

The previous prime is 12421015199. The next prime is 12421015207. The reversal of 12421015201 is 10251012421.

It is not a de Polignac number, because 12421015201 - 2¹ = 12421015199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12421015207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1796175 + ... + 1803076.

It is an arithmetic number, because the mean of its divisors is an integer number (971798040).

Almost surely, 2^12421015201 is an apocalyptic number.

It is an amenable number.

12421015201 is a deficient number, since it is larger than the sum of its proper divisors (3127753439).

12421015201 is a wasteful number, since it uses less digits than its factorization.

12421015201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599304.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 12421015201 its reverse (10251012421), we get a palindrome (22672027622).

The spelling of 12421015201 in words is "twelve billion, four hundred twenty-one million, fifteen thousand, two hundred one".