420342135213 has 64 divisors (see below), whose sum is σ = 772838664192. Its totient is φ = 196114970880.

The previous prime is 420342135211. The next prime is 420342135217. The reversal of 420342135213 is 312531243024.

It is not a de Polignac number, because 420342135213 - 2¹ = 420342135211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420342135211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1780431 + ... + 2002652.

It is an arithmetic number, because the mean of its divisors is an integer number (12075604128).

Almost surely, 2^420342135213 is an apocalyptic number.

It is an amenable number.

420342135213 is a deficient number, since it is larger than the sum of its proper divisors (352496528979).

420342135213 is a wasteful number, since it uses less digits than its factorization.

420342135213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783154.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 420342135213 its reverse (312531243024), we get a palindrome (732873378237).

It can be divided in two parts, 420342 and 135213, that added together give a palindrome (555555).

The spelling of 420342135213 in words is "four hundred twenty billion, three hundred forty-two million, one hundred thirty-five thousand, two hundred thirteen".