1000122312212 has 12 divisors (see below), whose sum is σ = 1750311078516. Its totient is φ = 500033432640.

The previous prime is 1000122312209. The next prime is 1000122312223. The reversal of 1000122312212 is 2122132210001.

It can be written as a sum of positive squares in 2 ways, for example, as 575847251716 + 424275060496 = 758846^2 + 651364^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6849593 + ... + 6994080.

It is an arithmetic number, because the mean of its divisors is an integer number (145859256543).

Almost surely, 2^{1000122312212} is an apocalyptic number.

It is an amenable number.

1000122312212 is a deficient number, since it is larger than the sum of its proper divisors (750188766304).

1000122312212 is a wasteful number, since it uses less digits than its factorization.

1000122312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13861738 (or 13861736 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1000122312212 its reverse (2122132210001), we get a palindrome (3122254522213).

The spelling of 1000122312212 in words is "one trillion, one hundred twenty-two million, three hundred twelve thousand, two hundred twelve".