44122012425221 has 2 divisors, whose sum is σ = 44122012425222. Its totient is φ = 44122012425220.

The previous prime is 44122012425173. The next prime is 44122012425229. The reversal of 44122012425221 is 12252421022144.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42146972884900 + 1975039540321 = 6492070^2 + 1405361^2 .

It is a cyclic number.

It is not a de Polignac number, because 44122012425221 - 2⁶ = 44122012425157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44122012425229) 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, 22061006212610 + 22061006212611.

It is an arithmetic number, because the mean of its divisors is an integer number (22061006212611).

Almost surely, 2^{44122012425221} is an apocalyptic number.

It is an amenable number.

44122012425221 is a deficient number, since it is larger than the sum of its proper divisors (1).

44122012425221 is an equidigital number, since it uses as much as digits as its factorization.

44122012425221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 44122012425221 its reverse (12252421022144), we get a palindrome (56374433447365).

The spelling of 44122012425221 in words is "forty-four trillion, one hundred twenty-two billion, twelve million, four hundred twenty-five thousand, two hundred twenty-one".