1000122321224 has 32 divisors (see below), whose sum is σ = 2019530505720. Its totient is φ = 461582862336.

The previous prime is 1000122321223. The next prime is 1000122321257. The reversal of 1000122321224 is 4221232210001.

It can be written as a sum of positive squares in 4 ways, for example, as 506360328100 + 493761993124 = 711590^2 + 702682^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000122321196 and 1000122321205.

It is not an unprimeable number, because it can be changed into a prime (1000122321221) 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, 4800242 + ... + 5004254.

Almost surely, 2^{1000122321224} is an apocalyptic number.

It is an amenable number.

1000122321224 is an abundant number, since it is smaller than the sum of its proper divisors (1019408184496).

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

1000122321224 is a wasteful number, since it uses less digits than its factorization.

1000122321224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251169 (or 251165 counting only the distinct ones).

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

Adding to 1000122321224 its reverse (4221232210001), we get a palindrome (5221354531225).

The spelling of 1000122321224 in words is "one trillion, one hundred twenty-two million, three hundred twenty-one thousand, two hundred twenty-four".