2000123121222 has 12 divisors (see below), whose sum is σ = 4333600096020. Its totient is φ = 666707707068.

The previous prime is 2000123121211. The next prime is 2000123121253. The reversal of 2000123121222 is 2221213210002.

2000123121222 is a `hidden beast` number, since 200 + 0 + 1 + 231 + 212 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 111117951179 = 2000123121222 / (2 + 0 + 0 + 0 + 1 + 2 + 3 + 1 + 2 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2000123121195 and 2000123121204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55558975572 + ... + 55558975607.

It is an arithmetic number, because the mean of its divisors is an integer number (361133341335).

Almost surely, 2^{2000123121222} is an apocalyptic number.

2000123121222 is an abundant number, since it is smaller than the sum of its proper divisors (2333476974798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2000123121222 is a wasteful number, since it uses less digits than its factorization.

2000123121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111117951187 (or 111117951184 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2000123121222 its reverse (2221213210002), we get a palindrome (4221336331224).

The spelling of 2000123121222 in words is "two trillion, one hundred twenty-three million, one hundred twenty-one thousand, two hundred twenty-two".