12013213013 has 8 divisors (see below), whose sum is σ = 12728774808. Its totient is φ = 11298640384.

The previous prime is 12013213001. The next prime is 12013213057. The reversal of 12013213013 is 31031231021.

It can be written as a sum of positive squares in 4 ways, for example, as 8539053649 + 3474159364 = 92407^2 + 58942^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12013213013 - 2⁶ = 12013212949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12013212982 and 12013213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013213073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222206 + ... + 270927.

It is an arithmetic number, because the mean of its divisors is an integer number (1591096851).

Almost surely, 2^12013213013 is an apocalyptic number.

It is an amenable number.

12013213013 is a deficient number, since it is larger than the sum of its proper divisors (715561795).

12013213013 is a wasteful number, since it uses less digits than its factorization.

12013213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494583.

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

Adding to 12013213013 its reverse (31031231021), we get a palindrome (43044444034).

The spelling of 12013213013 in words is "twelve billion, thirteen million, two hundred thirteen thousand, thirteen".