12130002001 has 4 divisors (see below), whose sum is σ = 13063079092. Its totient is φ = 11196924912.

The previous prime is 12130001981. The next prime is 12130002013. The reversal of 12130002001 is 10020003121.

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 5948111376 + 6181890625 = 77124^2 + 78625^2 .

It is a cyclic number.

It is not a de Polignac number, because 12130002001 - 2²³ = 12121613393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12130002091) 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, 466538526 + ... + 466538551.

It is an arithmetic number, because the mean of its divisors is an integer number (3265769773).

Almost surely, 2^12130002001 is an apocalyptic number.

It is an amenable number.

12130002001 is a deficient number, since it is larger than the sum of its proper divisors (933077091).

12130002001 is an equidigital number, since it uses as much as digits as its factorization.

12130002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933077090.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12130002001 its reverse (10020003121), we get a palindrome (22150005122).

The spelling of 12130002001 in words is "twelve billion, one hundred thirty million, two thousand, one".