12130221002 has 16 divisors (see below), whose sum is σ = 18701425800. Its totient is φ = 5898647040.

The previous prime is 12130221001. The next prime is 12130221029. The reversal of 12130221002 is 20012203121.

It is a happy number.

12130221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6365007961 + 5765213041 = 79781^2 + 75929^2 .

It is not an unprimeable number, because it can be changed into a prime (12130221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547727 + ... + 569442.

Almost surely, 2^12130221002 is an apocalyptic number.

12130221002 is a deficient number, since it is larger than the sum of its proper divisors (6571204798).

12130221002 is a wasteful number, since it uses less digits than its factorization.

12130221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117321.

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

Adding to 12130221002 its reverse (20012203121), we get a palindrome (32142424123).

The spelling of 12130221002 in words is "twelve billion, one hundred thirty million, two hundred twenty-one thousand, two".