12022303981 has 2 divisors, whose sum is σ = 12022303982. Its totient is φ = 12022303980.

The previous prime is 12022303939. The next prime is 12022304053. The reversal of 12022303981 is 18930322021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9329628100 + 2692675881 = 96590^2 + 51891^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022303981 - 2¹¹ = 12022301933 is a prime.

It is a super-2 number, since 2×12022303981² (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 (12022307981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011151990 + 6011151991.

It is an arithmetic number, because the mean of its divisors is an integer number (6011151991).

Almost surely, 2^12022303981 is an apocalyptic number.

It is an amenable number.

12022303981 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022303981 is an equidigital number, since it uses as much as digits as its factorization.

12022303981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 12022303981 in words is "twelve billion, twenty-two million, three hundred three thousand, nine hundred eighty-one".