244012001121 has 20 divisors (see below), whose sum is σ = 416584863552. Its totient is φ = 139435428888.

The previous prime is 244012001099. The next prime is 244012001137. The reversal of 244012001121 is 121100210442.

244012001121 is a `hidden beast` number, since 2 + 440 + 1 + 200 + 1 + 1 + 21 = 666.

It is not a de Polignac number, because 244012001121 - 2²⁵ = 243978446689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244012001094 and 244012001103.

It is not an unprimeable number, because it can be changed into a prime (244012001921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 215177565 + ... + 215178698.

Almost surely, 2^244012001121 is an apocalyptic number.

244012001121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

244012001121 is a deficient number, since it is larger than the sum of its proper divisors (172572862431).

244012001121 is an equidigital number, since it uses as much as digits as its factorization.

244012001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430356282 (or 430356273 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 244012001121 its reverse (121100210442), we get a palindrome (365112211563).

The spelling of 244012001121 in words is "two hundred forty-four billion, twelve million, one thousand, one hundred twenty-one".