212440341413 has 8 divisors (see below), whose sum is σ = 218205984120. Its totient is φ = 206675962560.

The previous prime is 212440341389. The next prime is 212440341439. The reversal of 212440341413 is 314143044212.

It can be written as a sum of positive squares in 4 ways, for example, as 149751198529 + 62689142884 = 386977^2 + 250378^2 .

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 212440341413 - 2¹⁰ = 212440340389 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 (212440301413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29843 + ... + 652511.

It is an arithmetic number, because the mean of its divisors is an integer number (27275748015).

Almost surely, 2^212440341413 is an apocalyptic number.

It is an amenable number.

212440341413 is a deficient number, since it is larger than the sum of its proper divisors (5765642707).

212440341413 is an equidigital number, since it uses as much as digits as its factorization.

212440341413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631927.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 212440341413 its reverse (314143044212), we get a palindrome (526583385625).

The spelling of 212440341413 in words is "two hundred twelve billion, four hundred forty million, three hundred forty-one thousand, four hundred thirteen".