32121232002 has 48 divisors (see below), whose sum is σ = 73462165920. Its totient is φ = 10143507960.

The previous prime is 32121232001. The next prime is 32121232019. The reversal of 32121232002 is 20023212123.

32121232002 is a `hidden beast` number, since 321 + 21 + 2 + 320 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32121232001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6624 + ... + 253547.

It is an arithmetic number, because the mean of its divisors is an integer number (1530461790).

Almost surely, 2^32121232002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32121232002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36731082960).

32121232002 is an abundant number, since it is smaller than the sum of its proper divisors (41340933918).

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

32121232002 is a wasteful number, since it uses less digits than its factorization.

32121232002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260236 (or 260195 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 32121232002 its reverse (20023212123), we get a palindrome (52144444125).

The spelling of 32121232002 in words is "thirty-two billion, one hundred twenty-one million, two hundred thirty-two thousand, two".