121444142030144 has 56 divisors (see below), whose sum is σ = 244397155234176. Its totient is φ = 59863841856000.

The previous prime is 121444142030089. The next prime is 121444142030171. The reversal of 121444142030144 is 441030241444121.

It is a congruent number.

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, 91772549 + ... + 93086459.

It is an arithmetic number, because the mean of its divisors is an integer number (4364234914896).

Almost surely, 2^{121444142030144} is an apocalyptic number.

It is an amenable number.

121444142030144 is an abundant number, since it is smaller than the sum of its proper divisors (122953013204032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121444142030144 is a wasteful number, since it uses less digits than its factorization.

121444142030144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334335 (or 1334325 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 121444142030144 its reverse (441030241444121), we get a palindrome (562474383474265).

The spelling of 121444142030144 in words is "one hundred twenty-one trillion, four hundred forty-four billion, one hundred forty-two million, thirty thousand, one hundred forty-four".