420443303212 has 24 divisors (see below), whose sum is σ = 751471257600. Its totient is φ = 205737714000.

The previous prime is 420443303197. The next prime is 420443303219. The reversal of 420443303212 is 212303344024.

It is not an unprimeable number, because it can be changed into a prime (420443303219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228039 + ... + 4326337.

It is an arithmetic number, because the mean of its divisors is an integer number (31311302400).

Almost surely, 2^420443303212 is an apocalyptic number.

It is an amenable number.

420443303212 is a deficient number, since it is larger than the sum of its proper divisors (331027954388).

420443303212 is a wasteful number, since it uses less digits than its factorization.

420443303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121101 (or 121099 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 420443303212 its reverse (212303344024), we get a palindrome (632746647236).

The spelling of 420443303212 in words is "four hundred twenty billion, four hundred forty-three million, three hundred three thousand, two hundred twelve".