12021000013 has 8 divisors (see below), whose sum is σ = 13361249376. Its totient is φ = 10721989200.

The previous prime is 12021000007. The next prime is 12021000031. The reversal of 12021000013 is 31000012021.

12021000013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12021000013 - 2⁵ = 12020999981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021000083) 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 7 ways as a sum of consecutive naturals, for example, 10309023 + ... + 10310188.

It is an arithmetic number, because the mean of its divisors is an integer number (1670156172).

Almost surely, 2^12021000013 is an apocalyptic number.

It is an amenable number.

12021000013 is a deficient number, since it is larger than the sum of its proper divisors (1340249363).

12021000013 is a wasteful number, since it uses less digits than its factorization.

12021000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20619275.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12021000013 its reverse (31000012021), we get a palindrome (43021012034).

The spelling of 12021000013 in words is "twelve billion, twenty-one million, thirteen", and thus it is an aban number and an uban number.