1122000212 has 6 divisors (see below), whose sum is σ = 1963500378. Its totient is φ = 561000104.

The previous prime is 1122000203. The next prime is 1122000233. The reversal of 1122000212 is 2120002211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 640899856 + 481100356 = 25316^2 + 21934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122000193 and 1122000202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140250023 + ... + 140250030.

It is an arithmetic number, because the mean of its divisors is an integer number (327250063).

Almost surely, 2^1122000212 is an apocalyptic number.

It is an amenable number.

1122000212 is a deficient number, since it is larger than the sum of its proper divisors (841500166).

1122000212 is a wasteful number, since it uses less digits than its factorization.

1122000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280500057 (or 280500055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1122000212 is about 33496.2716134199. The cubic root of 1122000212 is about 1039.1166722922.

Adding to 1122000212 its reverse (2120002211), we get a palindrome (3242002423).

The spelling of 1122000212 in words is "one billion, one hundred twenty-two million, two hundred twelve", and thus it is an aban number.