3211212013213 has 4 divisors (see below), whose sum is σ = 3221471476828. Its totient is φ = 3200952549600.

The previous prime is 3211212013201. The next prime is 3211212013271. The reversal of 3211212013213 is 3123102121123.

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 682180187364 + 2529031825849 = 825942^2 + 1590293^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211212013213 - 2⁵ = 3211212013181 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 (3211212016213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5129731338 + ... + 5129731963.

It is an arithmetic number, because the mean of its divisors is an integer number (805367869207).

Almost surely, 2^{3211212013213} is an apocalyptic number.

It is an amenable number.

3211212013213 is a deficient number, since it is larger than the sum of its proper divisors (10259463615).

3211212013213 is a wasteful number, since it uses less digits than its factorization.

3211212013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10259463614.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3211212013213 its reverse (3123102121123), we get a palindrome (6334314134336).

The spelling of 3211212013213 in words is "three trillion, two hundred eleven billion, two hundred twelve million, thirteen thousand, two hundred thirteen".