2121002303232 has 72 divisors (see below), whose sum is σ = 5646195030784. Its totient is φ = 706845993984.

The previous prime is 2121002303227. The next prime is 2121002303339. The reversal of 2121002303232 is 2323032001212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121002303199 and 2121002303208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235113 + ... + 3835095.

Almost surely, 2^{2121002303232} is an apocalyptic number.

It is an amenable number.

2121002303232 is an abundant number, since it is smaller than the sum of its proper divisors (3525192727552).

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

2121002303232 is an equidigital number, since it uses as much as digits as its factorization.

2121002303232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604605 (or 604591 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2121002303232 its reverse (2323032001212), we get a palindrome (4444034304444).

The spelling of 2121002303232 in words is "two trillion, one hundred twenty-one billion, two million, three hundred three thousand, two hundred thirty-two".