12022012121021 has 8 divisors (see below), whose sum is σ = 13749263337600. Its totient is φ = 10297216132848.

The previous prime is 12022012121017. The next prime is 12022012121023. The reversal of 12022012121021 is 12012121022021.

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

It is a cyclic number.

It is not a de Polignac number, because 12022012121021 - 2² = 12022012121017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022012121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613796606 + ... + 613816191.

It is an arithmetic number, because the mean of its divisors is an integer number (1718657917200).

Almost surely, 2^{12022012121021} is an apocalyptic number.

It is an amenable number.

12022012121021 is a deficient number, since it is larger than the sum of its proper divisors (1727251216579).

12022012121021 is a wasteful number, since it uses less digits than its factorization.

12022012121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227614203.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12022012121021 its reverse (12012121022021), we get a palindrome (24034133143042).

The spelling of 12022012121021 in words is "twelve trillion, twenty-two billion, twelve million, one hundred twenty-one thousand, twenty-one".