420401320434012 has 24 divisors (see below), whose sum is σ = 980939355008256. Its totient is φ = 140133353383408.

The previous prime is 420401320434001. The next prime is 420401320434023. The reversal of 420401320434012 is 210434023104024.

It is an interprime number because it is at equal distance from previous prime (420401320434001) and next prime (420401320434023).

It is a super-2 number, since 2×420401320434012² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48328788 + ... + 56360219.

It is an arithmetic number, because the mean of its divisors is an integer number (40872473125344).

Almost surely, 2^{420401320434012} is an apocalyptic number.

It is an amenable number.

420401320434012 is an abundant number, since it is smaller than the sum of its proper divisors (560538034574244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420401320434012 is a wasteful number, since it uses less digits than its factorization.

420401320434012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105023657 (or 105023655 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 420401320434012 its reverse (210434023104024), we get a palindrome (630835343538036).

The spelling of 420401320434012 in words is "four hundred twenty trillion, four hundred one billion, three hundred twenty million, four hundred thirty-four thousand, twelve".