10213212013 has 4 divisors (see below), whose sum is σ = 10213665948. Its totient is φ = 10212758080.

The previous prime is 10213211977. The next prime is 10213212019. The reversal of 10213212013 is 31021231201.

10213212013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5535062404 + 4678149609 = 74398^2 + 68397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10213212013 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 (10213212019) 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 3 ways as a sum of consecutive naturals, for example, 191356 + ... + 238837.

It is an arithmetic number, because the mean of its divisors is an integer number (2553416487).

Almost surely, 2^10213212013 is an apocalyptic number.

It is an amenable number.

10213212013 is a deficient number, since it is larger than the sum of its proper divisors (453935).

10213212013 is an equidigital number, since it uses as much as digits as its factorization.

10213212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453934.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10213212013 its reverse (31021231201), we get a palindrome (41234443214).

The spelling of 10213212013 in words is "ten billion, two hundred thirteen million, two hundred twelve thousand, thirteen".