12002123201 has 2 divisors, whose sum is σ = 12002123202. Its totient is φ = 12002123200.

The previous prime is 12002123183. The next prime is 12002123209. The reversal of 12002123201 is 10232120021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7885617601 + 4116505600 = 88801^2 + 64160^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002123201 - 2¹⁸ = 12001861057 is a prime.

It is a super-2 number, since 2×12002123201² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12002123209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001061600 + 6001061601.

It is an arithmetic number, because the mean of its divisors is an integer number (6001061601).

Almost surely, 2^12002123201 is an apocalyptic number.

It is an amenable number.

12002123201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002123201 is an equidigital number, since it uses as much as digits as its factorization.

12002123201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12002123201 its reverse (10232120021), we get a palindrome (22234243222).

The spelling of 12002123201 in words is "twelve billion, two million, one hundred twenty-three thousand, two hundred one".