240212434242013 has 4 divisors (see below), whose sum is σ = 240214801504860. Its totient is φ = 240210066979168.

The previous prime is 240212434242007. The next prime is 240212434242029. The reversal of 240212434242013 is 310242434212042.

240212434242013 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 61508288369284 + 178704145872729 = 7842722^2 + 13368027^2 .

It is a cyclic number.

It is not a de Polignac number, because 240212434242013 - 2⁵ = 240212434241981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240212434242013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240212434242043) 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, 1183479208 + ... + 1183682161.

It is an arithmetic number, because the mean of its divisors is an integer number (60053700376215).

Almost surely, 2^{240212434242013} is an apocalyptic number.

It is an amenable number.

240212434242013 is a deficient number, since it is larger than the sum of its proper divisors (2367262847).

240212434242013 is a wasteful number, since it uses less digits than its factorization.

240212434242013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367262846.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 240212434242013 its reverse (310242434212042), we get a palindrome (550454868454055).

The spelling of 240212434242013 in words is "two hundred forty trillion, two hundred twelve billion, four hundred thirty-four million, two hundred forty-two thousand, thirteen".