12202313021 has 2 divisors, whose sum is σ = 12202313022. Its totient is φ = 12202313020.

The previous prime is 12202313009. The next prime is 12202313033. The reversal of 12202313021 is 12031320221.

12202313021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12202313009) and next prime (12202313033).

It can be written as a sum of positive squares in only one way, i.e., 11958516025 + 243796996 = 109355^2 + 15614^2 .

It is an emirp because it is prime and its reverse (12031320221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12202313021 - 2⁶ = 12202312957 is a prime.

It is a super-2 number, since 2×12202313021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12202313521) 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 as a sum of consecutive naturals, namely, 6101156510 + 6101156511.

It is an arithmetic number, because the mean of its divisors is an integer number (6101156511).

Almost surely, 2^12202313021 is an apocalyptic number.

It is an amenable number.

12202313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202313021 is an equidigital number, since it uses as much as digits as its factorization.

12202313021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12202313021 its reverse (12031320221), we get a palindrome (24233633242).

The spelling of 12202313021 in words is "twelve billion, two hundred two million, three hundred thirteen thousand, twenty-one".