12147402002 has 4 divisors (see below), whose sum is σ = 18221103006. Its totient is φ = 6073701000.

The previous prime is 12147401951. The next prime is 12147402013. The reversal of 12147402002 is 20020474121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11722176361 + 425225641 = 108269^2 + 20621^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3036850499 + ... + 3036850502.

Almost surely, 2^12147402002 is an apocalyptic number.

12147402002 is a deficient number, since it is larger than the sum of its proper divisors (6073701004).

12147402002 is an equidigital number, since it uses as much as digits as its factorization.

12147402002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073701003.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 12147402002 its reverse (20020474121), we get a palindrome (32167876123).

The spelling of 12147402002 in words is "twelve billion, one hundred forty-seven million, four hundred two thousand, two".