4121201444144 has 40 divisors (see below), whose sum is σ = 8061796773888. Its totient is φ = 2040794602560.

The previous prime is 4121201444131. The next prime is 4121201444161. The reversal of 4121201444144 is 4414441021214.

It is a self number, because there is not a number n which added to its sum of digits gives 4121201444144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615692 + ... + 2936235.

Almost surely, 2^{4121201444144} is an apocalyptic number.

It is an amenable number.

4121201444144 is a deficient number, since it is larger than the sum of its proper divisors (3940595329744).

4121201444144 is a wasteful number, since it uses less digits than its factorization.

4121201444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552633 (or 3552627 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 4121201444144 its reverse (4414441021214), we get a palindrome (8535642465358).

The spelling of 4121201444144 in words is "four trillion, one hundred twenty-one billion, two hundred one million, four hundred forty-four thousand, one hundred forty-four".