44320012203121 has 2 divisors, whose sum is σ = 44320012203122. Its totient is φ = 44320012203120.

The previous prime is 44320012203109. The next prime is 44320012203167. The reversal of 44320012203121 is 12130221002344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43923822525025 + 396189678096 = 6627505^2 + 629436^2 .

It is a cyclic number.

It is not a de Polignac number, because 44320012203121 - 2³⁷ = 44182573249649 is a prime.

It is not a weakly prime, because it can be changed into another prime (44320019203121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22160006101560 + 22160006101561.

It is an arithmetic number, because the mean of its divisors is an integer number (22160006101561).

Almost surely, 2^{44320012203121} is an apocalyptic number.

It is an amenable number.

44320012203121 is a deficient number, since it is larger than the sum of its proper divisors (1).

44320012203121 is an equidigital number, since it uses as much as digits as its factorization.

44320012203121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 44320012203121 its reverse (12130221002344), we get a palindrome (56450233205465).

The spelling of 44320012203121 in words is "forty-four trillion, three hundred twenty billion, twelve million, two hundred three thousand, one hundred twenty-one".