1122031212 has 24 divisors (see below), whose sum is σ = 2772077616. Its totient is φ = 352009728.

The previous prime is 1122031181. The next prime is 1122031223. The reversal of 1122031212 is 2121302211.

It is a junction number, because it is equal to n+sod(n) for n = 1122031191 and 1122031200.

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, 2749873 + ... + 2750280.

It is an arithmetic number, because the mean of its divisors is an integer number (115503234).

Almost surely, 2^1122031212 is an apocalyptic number.

1122031212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122031212 is an abundant number, since it is smaller than the sum of its proper divisors (1650046404).

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

1122031212 is a wasteful number, since it uses less digits than its factorization.

1122031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500177 (or 5500175 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1122031212 is about 33496.7343482913. The cubic root of 1122031212 is about 1039.1262422013.

Adding to 1122031212 its reverse (2121302211), we get a palindrome (3243333423).

The spelling of 1122031212 in words is "one billion, one hundred twenty-two million, thirty-one thousand, two hundred twelve".