244120021252 has 6 divisors (see below), whose sum is σ = 427210037198. Its totient is φ = 122060010624.

The previous prime is 244120021177. The next prime is 244120021253. The reversal of 244120021252 is 252120021442.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 188507062276 + 55612958976 = 434174^2 + 235824^2 .

It is not an unprimeable number, because it can be changed into a prime (244120021253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30515002653 + ... + 30515002660.

Almost surely, 2^244120021252 is an apocalyptic number.

It is an amenable number.

244120021252 is a deficient number, since it is larger than the sum of its proper divisors (183090015946).

244120021252 is a wasteful number, since it uses less digits than its factorization.

244120021252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61030005317 (or 61030005315 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 244120021252 its reverse (252120021442), we get a palindrome (496240042694).

The spelling of 244120021252 in words is "two hundred forty-four billion, one hundred twenty million, twenty-one thousand, two hundred fifty-two".