12021000012022 has 8 divisors (see below), whose sum is σ = 19092176489736. Its totient is φ = 5656941182112.

The previous prime is 12021000012001. The next prime is 12021000012023. The reversal of 12021000012022 is 22021000012021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12021000011993 and 12021000012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021000012023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176779411908 + ... + 176779411975.

It is an arithmetic number, because the mean of its divisors is an integer number (2386522061217).

Almost surely, 2^{12021000012022} is an apocalyptic number.

12021000012022 is a deficient number, since it is larger than the sum of its proper divisors (7071176477714).

12021000012022 is a wasteful number, since it uses less digits than its factorization.

12021000012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353558823902.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12021000012022 its reverse (22021000012021), we get a palindrome (34042000024043).

Subtracting 12021000012022 from its reverse (22021000012021), we obtain a palindrome (9999999999999).

The spelling of 12021000012022 in words is "twelve trillion, twenty-one billion, twelve thousand, twenty-two".