3212440013 has 4 divisors (see below), whose sum is σ = 3215133948. Its totient is φ = 3209746080.

The previous prime is 3212439983. The next prime is 3212440027. The reversal of 3212440013 is 3100442123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3100442123 = 157 ⋅19748039.

It can be written as a sum of positive squares in 2 ways, for example, as 1572756964 + 1639683049 = 39658^2 + 40493^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212440013 - 2²⁰ = 3211391437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212440093) 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, 1345178 + ... + 1347563.

It is an arithmetic number, because the mean of its divisors is an integer number (803783487).

Almost surely, 2^3212440013 is an apocalyptic number.

It is an amenable number.

3212440013 is a deficient number, since it is larger than the sum of its proper divisors (2693935).

3212440013 is a wasteful number, since it uses less digits than its factorization.

3212440013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693934.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3212440013 is about 56678.3910586742. The cubic root of 3212440013 is about 1475.5196886369.

Adding to 3212440013 its reverse (3100442123), we get a palindrome (6312882136).

The spelling of 3212440013 in words is "three billion, two hundred twelve million, four hundred forty thousand, thirteen".