13021333012 has 6 divisors (see below), whose sum is σ = 22787332778. Its totient is φ = 6510666504.

The previous prime is 13021333009. The next prime is 13021333019. The reversal of 13021333012 is 21033312031.

It can be written as a sum of positive squares in only one way, i.e., 12173591556 + 847741456 = 110334^2 + 29116^2 .

It is a super-2 number, since 2×13021333012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021333019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1627666623 + ... + 1627666630.

Almost surely, 2^13021333012 is an apocalyptic number.

It is an amenable number.

13021333012 is a deficient number, since it is larger than the sum of its proper divisors (9765999766).

13021333012 is a wasteful number, since it uses less digits than its factorization.

13021333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255333257 (or 3255333255 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13021333012 its reverse (21033312031), we get a palindrome (34054645043).

The spelling of 13021333012 in words is "thirteen billion, twenty-one million, three hundred thirty-three thousand, twelve".