12013131002 has 4 divisors (see below), whose sum is σ = 18019696506. Its totient is φ = 6006565500.

The previous prime is 12013130981. The next prime is 12013131037. The reversal of 12013131002 is 20013131021.

12013131002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 9696537841 + 2316593161 = 98471^2 + 48131^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3003282749 + ... + 3003282752.

Almost surely, 2^12013131002 is an apocalyptic number.

12013131002 is a deficient number, since it is larger than the sum of its proper divisors (6006565504).

12013131002 is an equidigital number, since it uses as much as digits as its factorization.

12013131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006565503.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12013131002 its reverse (20013131021), we get a palindrome (32026262023).

The spelling of 12013131002 in words is "twelve billion, thirteen million, one hundred thirty-one thousand, two".