1119212112 has 80 divisors (see below), whose sum is σ = 2978059392. Its totient is φ = 361935360.

The previous prime is 1119212071. The next prime is 1119212117. The reversal of 1119212112 is 2112129111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119212117) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 818053 + ... + 819419.

Almost surely, 2^1119212112 is an apocalyptic number.

1119212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1119212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489029696).

1119212112 is an abundant number, since it is smaller than the sum of its proper divisors (1858847280).

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

1119212112 is a wasteful number, since it uses less digits than its factorization.

1119212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1870 counting only the distinct ones).

The product of its digits is 72, while the sum is 21.

The square root of 1119212112 is about 33454.6276619543. The cubic root of 1119212112 is about 1038.2552451623.

The spelling of 1119212112 in words is "one billion, one hundred nineteen million, two hundred twelve thousand, one hundred twelve".