121214230210144 has 48 divisors (see below), whose sum is σ = 240879618978768. Its totient is φ = 60038495437312.

The previous prime is 121214230210019. The next prime is 121214230210153. The reversal of 121214230210144 is 441012032412121.

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, 94953762 + ... + 96221854.

It is an arithmetic number, because the mean of its divisors is an integer number (5018325395391).

Almost surely, 2^{121214230210144} is an apocalyptic number.

It is an amenable number.

121214230210144 is a deficient number, since it is larger than the sum of its proper divisors (119665388768624).

121214230210144 is a wasteful number, since it uses less digits than its factorization.

121214230210144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296127 (or 1296119 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 121214230210144 its reverse (441012032412121), we get a palindrome (562226262622265).

The spelling of 121214230210144 in words is "one hundred twenty-one trillion, two hundred fourteen billion, two hundred thirty million, two hundred ten thousand, one hundred forty-four".