20121333100223 has 8 divisors (see below), whose sum is σ = 20124455620080. Its totient is φ = 20118210840000.

The previous prime is 20121333100217. The next prime is 20121333100301. The reversal of 20121333100223 is 32200133312102.

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 20121333100223 - 2³⁰ = 20120259358399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121333120223) 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, 199508573 + ... + 199609401.

It is an arithmetic number, because the mean of its divisors is an integer number (2515556952510).

Almost surely, 2^{20121333100223} is an apocalyptic number.

20121333100223 is a deficient number, since it is larger than the sum of its proper divisors (3122519857).

20121333100223 is a wasteful number, since it uses less digits than its factorization.

20121333100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129817.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20121333100223 its reverse (32200133312102), we get a palindrome (52321466412325).

The spelling of 20121333100223 in words is "twenty trillion, one hundred twenty-one billion, three hundred thirty-three million, one hundred thousand, two hundred twenty-three".