20121133200223 has 8 divisors (see below), whose sum is σ = 21951151810560. Its totient is φ = 18291252037080.

The previous prime is 20121133200221. The next prime is 20121133200253. The reversal of 20121133200223 is 32200233112102.

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

It is not a de Polignac number, because 20121133200223 - 2¹ = 20121133200221 is a prime.

It is a super-2 number, since 2×20121133200223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20121133200194 and 20121133200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121133200221) 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, 34055583 + ... + 34641376.

It is an arithmetic number, because the mean of its divisors is an integer number (2743893976320).

Almost surely, 2^{20121133200223} is an apocalyptic number.

20121133200223 is a deficient number, since it is larger than the sum of its proper divisors (1830018610337).

20121133200223 is a wasteful number, since it uses less digits than its factorization.

20121133200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68723597.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20121133200223 its reverse (32200233112102), we get a palindrome (52321366312325).

The spelling of 20121133200223 in words is "twenty trillion, one hundred twenty-one billion, one hundred thirty-three million, two hundred thousand, two hundred twenty-three".