232212121002 has 128 divisors (see below), whose sum is σ = 547919216640. Its totient is φ = 72741240000.

The previous prime is 232212120983. The next prime is 232212121033. The reversal of 232212121002 is 200121212232.

232212121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119021127 + ... + 119023077.

It is an arithmetic number, because the mean of its divisors is an integer number (4280618880).

Almost surely, 2^232212121002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232212121002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273959608320).

232212121002 is an abundant number, since it is smaller than the sum of its proper divisors (315707095638).

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

232212121002 is a wasteful number, since it uses less digits than its factorization.

232212121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617 (or 3611 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 232212121002 its reverse (200121212232), we get a palindrome (432333333234).

The spelling of 232212121002 in words is "two hundred thirty-two billion, two hundred twelve million, one hundred twenty-one thousand, two".