2000121223 has 2 divisors, whose sum is σ = 2000121224. Its totient is φ = 2000121222.

The previous prime is 2000121217. The next prime is 2000121251. The reversal of 2000121223 is 3221210002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000121223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000121323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000060611 + 1000060612.

It is an arithmetic number, because the mean of its divisors is an integer number (1000060612).

Almost surely, 2^2000121223 is an apocalyptic number.

2000121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000121223 is an equidigital number, since it uses as much as digits as its factorization.

2000121223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2000121223 is about 44722.7148438017. The cubic root of 2000121223 is about 1259.9465046155.

Adding to 2000121223 its reverse (3221210002), we get a palindrome (5221331225).

The spelling of 2000121223 in words is "two billion, one hundred twenty-one thousand, two hundred twenty-three".