420212203435 has 4 divisors (see below), whose sum is σ = 504254644128. Its totient is φ = 336169762744.

The previous prime is 420212203429. The next prime is 420212203441. The reversal of 420212203435 is 534302212024.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (420212203429) and next prime (420212203441).

It is a cyclic number.

It is not a de Polignac number, because 420212203435 - 2³³ = 411622268843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42021220339 + ... + 42021220348.

It is an arithmetic number, because the mean of its divisors is an integer number (126063661032).

Almost surely, 2^420212203435 is an apocalyptic number.

420212203435 is a deficient number, since it is larger than the sum of its proper divisors (84042440693).

420212203435 is an equidigital number, since it uses as much as digits as its factorization.

420212203435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84042440692.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 420212203435 its reverse (534302212024), we get a palindrome (954514415459).

The spelling of 420212203435 in words is "four hundred twenty billion, two hundred twelve million, two hundred three thousand, four hundred thirty-five".