12021000622 has 16 divisors (see below), whose sum is σ = 18516072960. Its totient is φ = 5849964792.

The previous prime is 12021000619. The next prime is 12021000763. The reversal of 12021000622 is 22600012021.

12021000622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12021000596 and 12021000605.

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, 222622 + ... + 271297.

It is an arithmetic number, because the mean of its divisors is an integer number (1157254560).

Almost surely, 2^12021000622 is an apocalyptic number.

12021000622 is a deficient number, since it is larger than the sum of its proper divisors (6495072338).

12021000622 is a wasteful number, since it uses less digits than its factorization.

12021000622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494247.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12021000622 its reverse (22600012021), we get a palindrome (34621012643).

The spelling of 12021000622 in words is "twelve billion, twenty-one million, six hundred twenty-two", and thus it is an aban number.