12131313021002 has 32 divisors (see below), whose sum is σ = 20849288810112. Its totient is φ = 5185951547904.

The previous prime is 12131313021001. The next prime is 12131313021127. The reversal of 12131313021002 is 20012031313121.

It is a happy number.

It is a super-2 number, since 2×12131313021002² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12131313021001) 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 15 ways as a sum of consecutive naturals, for example, 26793833 + ... + 27242835.

It is an arithmetic number, because the mean of its divisors is an integer number (651540275316).

Almost surely, 2^{12131313021002} is an apocalyptic number.

12131313021002 is a deficient number, since it is larger than the sum of its proper divisors (8717975789110).

12131313021002 is a wasteful number, since it uses less digits than its factorization.

12131313021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453902.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12131313021002 its reverse (20012031313121), we get a palindrome (32143344334123).

The spelling of 12131313021002 in words is "twelve trillion, one hundred thirty-one billion, three hundred thirteen million, twenty-one thousand, two".