1120222012 has 24 divisors (see below), whose sum is σ = 2412786656. Its totient is φ = 443164608.

The previous prime is 1120222009. The next prime is 1120222043. The reversal of 1120222012 is 2102220211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1120221983 and 1120222001.

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, 1538403 + ... + 1539130.

Almost surely, 2^1120222012 is an apocalyptic number.

It is an amenable number.

1120222012 is an abundant number, since it is smaller than the sum of its proper divisors (1292564644).

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

1120222012 is a wasteful number, since it uses less digits than its factorization.

1120222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077557 (or 3077555 counting only the distinct ones).

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

The square root of 1120222012 is about 33469.7178356795. The cubic root of 1120222012 is about 1038.5674346463.

Adding to 1120222012 its reverse (2102220211), we get a palindrome (3222442223).

The spelling of 1120222012 in words is "one billion, one hundred twenty million, two hundred twenty-two thousand, twelve".