420212334012 has 48 divisors (see below), whose sum is σ = 999241850880. Its totient is φ = 137394024768.

The previous prime is 420212333993. The next prime is 420212334037. The reversal of 420212334012 is 210433212024.

It is a happy number.

It is a super-2 number, since 2×420212334012² (a number of 24 digits) contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 2565693 + ... + 2724555.

It is an arithmetic number, because the mean of its divisors is an integer number (20817538560).

Almost surely, 2^420212334012 is an apocalyptic number.

It is an amenable number.

420212334012 is an abundant number, since it is smaller than the sum of its proper divisors (579029516868).

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

420212334012 is a wasteful number, since it uses less digits than its factorization.

420212334012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163082 (or 163080 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 420212334012 its reverse (210433212024), we get a palindrome (630645546036).

The spelling of 420212334012 in words is "four hundred twenty billion, two hundred twelve million, three hundred thirty-four thousand, twelve".