1122200012 has 24 divisors (see below), whose sum is σ = 2054566080. Its totient is φ = 535763840.

The previous prime is 1122199957. The next prime is 1122200029. The reversal of 1122200012 is 2100022211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1122199966 and 1122200002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65087 + ... + 80502.

It is an arithmetic number, because the mean of its divisors is an integer number (85606920).

Almost surely, 2^1122200012 is an apocalyptic number.

It is an amenable number.

1122200012 is a deficient number, since it is larger than the sum of its proper divisors (932366068).

1122200012 is a wasteful number, since it uses less digits than its factorization.

1122200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145681 (or 145679 counting only the distinct ones).

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

The square root of 1122200012 is about 33499.2539021394. The cubic root of 1122200012 is about 1039.1783488071.

Adding to 1122200012 its reverse (2100022211), we get a palindrome (3222222223).

The spelling of 1122200012 in words is "one billion, one hundred twenty-two million, two hundred thousand, twelve".