20002122212123 has 8 divisors (see below), whose sum is σ = 20135782520448. Its totient is φ = 19868854446144.

The previous prime is 20002122212011. The next prime is 20002122212129. The reversal of 20002122212123 is 32121222120002.

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 20002122212123 - 2³⁶ = 19933402735387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002122212095 and 20002122212104.

It is not an unprimeable number, because it can be changed into a prime (20002122212129) 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, 98033336 + ... + 98237157.

It is an arithmetic number, because the mean of its divisors is an integer number (2516972815056).

Almost surely, 2^{20002122212123} is an apocalyptic number.

20002122212123 is a deficient number, since it is larger than the sum of its proper divisors (133660308325).

20002122212123 is a wasteful number, since it uses less digits than its factorization.

20002122212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196271173.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20002122212123 its reverse (32121222120002), we get a palindrome (52123344332125).

The spelling of 20002122212123 in words is "twenty trillion, two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-three".