12021302322101 has 16 divisors (see below), whose sum is σ = 12349861337520. Its totient is φ = 11694474362880.

The previous prime is 12021302322079. The next prime is 12021302322109. The reversal of 12021302322101 is 10122320312021.

It can be written as a sum of positive squares in 8 ways, for example, as 4970291242225 + 7051011079876 = 2229415^2 + 2655374^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021302322101 - 2¹⁸ = 12021302059957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021302322109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20036981 + ... + 20628213.

It is an arithmetic number, because the mean of its divisors is an integer number (771866333595).

Almost surely, 2^{12021302322101} is an apocalyptic number.

It is an amenable number.

12021302322101 is a deficient number, since it is larger than the sum of its proper divisors (328559015419).

12021302322101 is an equidigital number, since it uses as much as digits as its factorization.

12021302322101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592696.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12021302322101 its reverse (10122320312021), we get a palindrome (22143622634122).

The spelling of 12021302322101 in words is "twelve trillion, twenty-one billion, three hundred two million, three hundred twenty-two thousand, one hundred one".