2000121012122 has 4 divisors (see below), whose sum is σ = 3000181518186. Its totient is φ = 1000060506060.

The previous prime is 2000121012053. The next prime is 2000121012163. The reversal of 2000121012122 is 2212101210002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1025397239161 + 974723772961 = 1012619^2 + 987281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2000121012097 and 2000121012106.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 500030253029 + ... + 500030253032.

Almost surely, 2^{2000121012122} is an apocalyptic number.

2000121012122 is a deficient number, since it is larger than the sum of its proper divisors (1000060506064).

2000121012122 is a wasteful number, since it uses less digits than its factorization.

2000121012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000060506063.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2000121012122 its reverse (2212101210002), we get a palindrome (4212222222124).

The spelling of 2000121012122 in words is "two trillion, one hundred twenty-one million, twelve thousand, one hundred twenty-two".