1000012122202 has 24 divisors (see below), whose sum is σ = 1591158060756. Its totient is φ = 471285368064.

The previous prime is 1000012122149. The next prime is 1000012122223. The reversal of 1000012122202 is 2022212100001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 999598040401 + 414081801 = 999799^2 + 20349^2 .

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 in 11 ways as a sum of consecutive naturals, for example, 3373143 + ... + 3657610.

Almost surely, 2^{1000012122202} is an apocalyptic number.

1000012122202 is a deficient number, since it is larger than the sum of its proper divisors (591145938554).

1000012122202 is a wasteful number, since it uses less digits than its factorization.

1000012122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030990 (or 7030971 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1000012122202 its reverse (2022212100001), we get a palindrome (3022224222203).

The spelling of 1000012122202 in words is "one trillion, twelve million, one hundred twenty-two thousand, two hundred two".