434021221012 has 24 divisors (see below), whose sum is σ = 768387107880. Its totient is φ = 214489497600.

The previous prime is 434021221001. The next prime is 434021221031. The reversal of 434021221012 is 210122120434.

It can be written as a sum of positive squares in 4 ways, for example, as 269603946756 + 164417274256 = 519234^2 + 405484^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697837 + ... + 1164052.

It is an arithmetic number, because the mean of its divisors is an integer number (32016129495).

Almost surely, 2^434021221012 is an apocalyptic number.

It is an amenable number.

434021221012 is a deficient number, since it is larger than the sum of its proper divisors (334365886868).

434021221012 is a wasteful number, since it uses less digits than its factorization.

434021221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862571 (or 1862569 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 434021221012 its reverse (210122120434), we get a palindrome (644143341446).

The spelling of 434021221012 in words is "four hundred thirty-four billion, twenty-one million, two hundred twenty-one thousand, twelve".