12020030201 has 4 divisors (see below), whose sum is σ = 12020250000. Its totient is φ = 12019810404.

The previous prime is 12020030119. The next prime is 12020030227. The reversal of 12020030201 is 10203002021.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10203002021 = 809 ⋅12611869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020030201 is a prime.

It is a super-2 number, since 2×12020030201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020030261) 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, 43550 + ... + 161048.

It is an arithmetic number, because the mean of its divisors is an integer number (3005062500).

Almost surely, 2^12020030201 is an apocalyptic number.

It is an amenable number.

12020030201 is a deficient number, since it is larger than the sum of its proper divisors (219799).

12020030201 is a wasteful number, since it uses less digits than its factorization.

12020030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219798.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12020030201 its reverse (10203002021), we get a palindrome (22223032222).

The spelling of 12020030201 in words is "twelve billion, twenty million, thirty thousand, two hundred one".