20000123133211 has 8 divisors (see below), whose sum is σ = 21545123014800. Its totient is φ = 18456055947552.

The previous prime is 20000123133197. The next prime is 20000123133247. The reversal of 20000123133211 is 11233132100002.

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 20000123133211 - 2¹⁵ = 20000123100443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000123131211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233129440 + ... + 233215213.

It is an arithmetic number, because the mean of its divisors is an integer number (2693140376850).

Almost surely, 2^{20000123133211} is an apocalyptic number.

20000123133211 is a deficient number, since it is larger than the sum of its proper divisors (1544999881589).

20000123133211 is a wasteful number, since it uses less digits than its factorization.

20000123133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466347965.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20000123133211 its reverse (11233132100002), we get a palindrome (31233255233213).

The spelling of 20000123133211 in words is "twenty trillion, one hundred twenty-three million, one hundred thirty-three thousand, two hundred eleven".