3212011213 has 4 divisors (see below), whose sum is σ = 3215382588. Its totient is φ = 3208639840.

The previous prime is 3212011211. The next prime is 3212011223. The reversal of 3212011213 is 3121102123.

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 1978737289 + 1233273924 = 44483^2 + 35118^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212011213 - 2¹ = 3212011211 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 (3212011211) 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, 1684258 + ... + 1686163.

It is an arithmetic number, because the mean of its divisors is an integer number (803845647).

Almost surely, 2^3212011213 is an apocalyptic number.

It is an amenable number.

3212011213 is a deficient number, since it is larger than the sum of its proper divisors (3371375).

3212011213 is an equidigital number, since it uses as much as digits as its factorization.

3212011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371374.

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

The square root of 3212011213 is about 56674.6081856769. The cubic root of 3212011213 is about 1475.4540343893.

Adding to 3212011213 its reverse (3121102123), we get a palindrome (6333113336).

The spelling of 3212011213 in words is "three billion, two hundred twelve million, eleven thousand, two hundred thirteen".