12021023312322 has 16 divisors (see below), whose sum is σ = 24042100162080. Its totient is φ = 4006998847872.

The previous prime is 12021023312257. The next prime is 12021023312357. The reversal of 12021023312322 is 22321332012021.

It is a junction number, because it is equal to n+sod(n) for n = 12021023312292 and 12021023312301.

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, 1062129 + ... + 5016987.

It is an arithmetic number, because the mean of its divisors is an integer number (1502631260130).

Almost surely, 2^{12021023312322} is an apocalyptic number.

12021023312322 is an abundant number, since it is smaller than the sum of its proper divisors (12021076849758).

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

12021023312322 is a wasteful number, since it uses less digits than its factorization.

12021023312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461457.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12021023312322 its reverse (22321332012021), we get a palindrome (34342355324343).

The spelling of 12021023312322 in words is "twelve trillion, twenty-one billion, twenty-three million, three hundred twelve thousand, three hundred twenty-two".