12030622181 has 2 divisors, whose sum is σ = 12030622182. Its totient is φ = 12030622180.

The previous prime is 12030622159. The next prime is 12030622199. The reversal of 12030622181 is 18122603021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11861388100 + 169234081 = 108910^2 + 13009^2 .

It is a cyclic number.

It is not a de Polignac number, because 12030622181 - 2⁶ = 12030622117 is a prime.

It is a super-2 number, since 2×12030622181² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12030622181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12039622181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015311090 + 6015311091.

It is an arithmetic number, because the mean of its divisors is an integer number (6015311091).

Almost surely, 2^12030622181 is an apocalyptic number.

It is an amenable number.

12030622181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030622181 is an equidigital number, since it uses as much as digits as its factorization.

12030622181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 12030622181 in words is "twelve billion, thirty million, six hundred twenty-two thousand, one hundred eighty-one".