32121223000 has 64 divisors (see below), whose sum is σ = 75463708320. Its totient is φ = 12797200000.

The previous prime is 32121222937. The next prime is 32121223027. The reversal of 32121223000 is 32212123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187014 + ... + 314986.

Almost surely, 2^32121223000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32121223000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37731854160).

32121223000 is an abundant number, since it is smaller than the sum of its proper divisors (43342485320).

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

32121223000 is a wasteful number, since it uses less digits than its factorization.

32121223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128245 (or 128231 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32121223000 its reverse (32212123), we get a palindrome (32153435123).

The spelling of 32121223000 in words is "thirty-two billion, one hundred twenty-one million, two hundred twenty-three thousand".