12210021002322 has 96 divisors (see below), whose sum is σ = 32118470388480. Its totient is φ = 3415390466400.

The previous prime is 12210021002293. The next prime is 12210021002329. The reversal of 12210021002322 is 22320012001221.

12210021002322 is a `hidden beast` number, since 1 + 221 + 0 + 0 + 210 + 0 + 232 + 2 = 666.

It is a super-2 number, since 2×12210021002322² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 12210021002295 and 12210021002304.

It is not an unprimeable number, because it can be changed into a prime (12210021002329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71787754 + ... + 71957637.

It is an arithmetic number, because the mean of its divisors is an integer number (334567399880).

Almost surely, 2^{12210021002322} is an apocalyptic number.

12210021002322 is an abundant number, since it is smaller than the sum of its proper divisors (19908449386158).

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

12210021002322 is a wasteful number, since it uses less digits than its factorization.

12210021002322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143745437 (or 143745420 counting only the distinct ones).

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

Adding to 12210021002322 its reverse (22320012001221), we get a palindrome (34530033003543).

The spelling of 12210021002322 in words is "twelve trillion, two hundred ten billion, twenty-one million, two thousand, three hundred twenty-two".