12013331012 has 6 divisors (see below), whose sum is σ = 21023329278. Its totient is φ = 6006665504.

The previous prime is 12013331009. The next prime is 12013331059. The reversal of 12013331012 is 21013331021.

It can be written as a sum of positive squares in only one way, i.e., 11777892676 + 235438336 = 108526^2 + 15344^2 .

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, 1501666373 + ... + 1501666380.

It is an arithmetic number, because the mean of its divisors is an integer number (3503888213).

Almost surely, 2^12013331012 is an apocalyptic number.

It is an amenable number.

12013331012 is a deficient number, since it is larger than the sum of its proper divisors (9009998266).

12013331012 is a wasteful number, since it uses less digits than its factorization.

12013331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003332757 (or 3003332755 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12013331012 its reverse (21013331021), we get a palindrome (33026662033).

Subtracting 12013331012 from its reverse (21013331021), we obtain a palindrome (9000000009).

The spelling of 12013331012 in words is "twelve billion, thirteen million, three hundred thirty-one thousand, twelve".