126027223321 has 2 divisors, whose sum is σ = 126027223322. Its totient is φ = 126027223320.

The previous prime is 126027223297. The next prime is 126027223351. The reversal of 126027223321 is 123322720621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118377971721 + 7649251600 = 344061^2 + 87460^2 .

It is a cyclic number.

It is not a de Polignac number, because 126027223321 - 2²¹ = 126025126169 is a prime.

It is a super-2 number, since 2×126027223321² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126027223351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63013611660 + 63013611661.

It is an arithmetic number, because the mean of its divisors is an integer number (63013611661).

Almost surely, 2^126027223321 is an apocalyptic number.

It is an amenable number.

126027223321 is a deficient number, since it is larger than the sum of its proper divisors (1).

126027223321 is an equidigital number, since it uses as much as digits as its factorization.

126027223321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 126027223321 its reverse (123322720621), we get a palindrome (249349943942).

The spelling of 126027223321 in words is "one hundred twenty-six billion, twenty-seven million, two hundred twenty-three thousand, three hundred twenty-one".