12221021030032 has 20 divisors (see below), whose sum is σ = 23693416381440. Its totient is φ = 6106590996128.

The previous prime is 12221021030027. The next prime is 12221021030069. The reversal of 12221021030032 is 23003012012221.

It is a junction number, because it is equal to n+sod(n) for n = 12221021029991 and 12221021030009.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244944208 + ... + 244994095.

It is an arithmetic number, because the mean of its divisors is an integer number (1184670819072).

Almost surely, 2^{12221021030032} is an apocalyptic number.

It is an amenable number.

12221021030032 is a deficient number, since it is larger than the sum of its proper divisors (11472395351408).

12221021030032 is a wasteful number, since it uses less digits than its factorization.

12221021030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489939870 (or 489939864 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12221021030032 its reverse (23003012012221), we get a palindrome (35224033042253).

The spelling of 12221021030032 in words is "twelve trillion, two hundred twenty-one billion, twenty-one million, thirty thousand, thirty-two".