120012001230221 has 8 divisors (see below), whose sum is σ = 120100129092888. Its totient is φ = 119923875144000.

The previous prime is 120012001230181. The next prime is 120012001230223. The reversal of 120012001230221 is 122032100210021.

It can be written as a sum of positive squares in 4 ways, for example, as 55142669007721 + 64869332222500 = 7425811^2 + 8054150^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120012001230221 - 2⁶ = 120012001230157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120012001230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012001230223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154534631 + ... + 155309291.

It is an arithmetic number, because the mean of its divisors is an integer number (15012516136611).

Almost surely, 2^{120012001230221} is an apocalyptic number.

It is an amenable number.

120012001230221 is a deficient number, since it is larger than the sum of its proper divisors (88127862667).

120012001230221 is a wasteful number, since it uses less digits than its factorization.

120012001230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888223.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 120012001230221 its reverse (122032100210021), we get a palindrome (242044101440242).

The spelling of 120012001230221 in words is "one hundred twenty trillion, twelve billion, one million, two hundred thirty thousand, two hundred twenty-one".