2002131313012 has 6 divisors (see below), whose sum is σ = 3503729797778. Its totient is φ = 1001065656504.

The previous prime is 2002131313003. The next prime is 2002131313019. The reversal of 2002131313012 is 2103131312002.

It can be written as a sum of positive squares in only one way, i.e., 1282067056656 + 720064256356 = 1132284^2 + 848566^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002131313019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250266414123 + ... + 250266414130.

Almost surely, 2^{2002131313012} is an apocalyptic number.

It is an amenable number.

2002131313012 is a deficient number, since it is larger than the sum of its proper divisors (1501598484766).

2002131313012 is a wasteful number, since it uses less digits than its factorization.

2002131313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500532828257 (or 500532828255 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2002131313012 its reverse (2103131312002), we get a palindrome (4105262625014).

The spelling of 2002131313012 in words is "two trillion, two billion, one hundred thirty-one million, three hundred thirteen thousand, twelve".