2000123121309 has 8 divisors (see below), whose sum is σ = 2738907337440. Its totient is φ = 1297377159696.

The previous prime is 2000123121281. The next prime is 2000123121319. The reversal of 2000123121309 is 9031213210002.

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

It is not a de Polignac number, because 2000123121309 - 2¹⁷ = 2000122990237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000123121319) 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, 9009563499 + ... + 9009563720.

It is an arithmetic number, because the mean of its divisors is an integer number (342363417180).

Almost surely, 2^{2000123121309} is an apocalyptic number.

It is an amenable number.

2000123121309 is a deficient number, since it is larger than the sum of its proper divisors (738784216131).

2000123121309 is a wasteful number, since it uses less digits than its factorization.

2000123121309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18019127259.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 2000123121309 in words is "two trillion, one hundred twenty-three million, one hundred twenty-one thousand, three hundred nine".