244120004121 has 32 divisors (see below), whose sum is σ = 373511347200. Its totient is φ = 138927919680.

The previous prime is 244120004099. The next prime is 244120004123. The reversal of 244120004121 is 121400021442.

It is not a de Polignac number, because 244120004121 - 2⁶ = 244120004057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (244120004123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19985706 + ... + 19997916.

It is an arithmetic number, because the mean of its divisors is an integer number (11672229600).

Almost surely, 2^244120004121 is an apocalyptic number.

244120004121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

244120004121 is a deficient number, since it is larger than the sum of its proper divisors (129391343079).

244120004121 is a wasteful number, since it uses less digits than its factorization.

244120004121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16029.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 244120004121 its reverse (121400021442), we get a palindrome (365520025563).

The spelling of 244120004121 in words is "two hundred forty-four billion, one hundred twenty million, four thousand, one hundred twenty-one".