1122200212 has 24 divisors (see below), whose sum is σ = 2252759040. Its totient is φ = 479151840.

The previous prime is 1122200207. The next prime is 1122200239. The reversal of 1122200212 is 2120022211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1122200192 and 1122200201.

It is a congruent number.

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, 66964 + ... + 82027.

It is an arithmetic number, because the mean of its divisors is an integer number (93864960).

Almost surely, 2^1122200212 is an apocalyptic number.

It is an amenable number.

1122200212 is an abundant number, since it is smaller than the sum of its proper divisors (1130558828).

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

1122200212 is a wasteful number, since it uses less digits than its factorization.

1122200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149271 (or 149269 counting only the distinct ones).

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

The square root of 1122200212 is about 33499.2568872804. The cubic root of 1122200212 is about 1039.1784105417.

Adding to 1122200212 its reverse (2120022211), we get a palindrome (3242222423).

The spelling of 1122200212 in words is "one billion, one hundred twenty-two million, two hundred thousand, two hundred twelve".