12122010002021 has 16 divisors (see below), whose sum is σ = 12310488864000. Its totient is φ = 11934973935168.

The previous prime is 12122010001957. The next prime is 12122010002087. The reversal of 12122010002021 is 12020001022121.

It is a cyclic number.

It is not a de Polignac number, because 12122010002021 - 2⁶ = 12122010001957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122010001987 and 12122010002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122010007021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51509780 + ... + 51744578.

It is an arithmetic number, because the mean of its divisors is an integer number (769405554000).

Almost surely, 2^{12122010002021} is an apocalyptic number.

It is an amenable number.

12122010002021 is a deficient number, since it is larger than the sum of its proper divisors (188478861979).

12122010002021 is a wasteful number, since it uses less digits than its factorization.

12122010002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237868.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12122010002021 its reverse (12020001022121), we get a palindrome (24142011024142).

The spelling of 12122010002021 in words is "twelve trillion, one hundred twenty-two billion, ten million, two thousand, twenty-one".