1320211112 has 64 divisors (see below), whose sum is σ = 2775643200. Its totient is φ = 583511040.

The previous prime is 1320211093. The next prime is 1320211117. The reversal of 1320211112 is 2111120231.

It is not an unprimeable number, because it can be changed into a prime (1320211117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017248 + ... + 1018544.

It is an arithmetic number, because the mean of its divisors is an integer number (43369425).

Almost surely, 2^1320211112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320211112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387821600).

1320211112 is an abundant number, since it is smaller than the sum of its proper divisors (1455432088).

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

1320211112 is a wasteful number, since it uses less digits than its factorization.

1320211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1320211112 is about 36334.7094662941. The cubic root of 1320211112 is about 1097.0197875955.

Adding to 1320211112 its reverse (2111120231), we get a palindrome (3431331343).

The spelling of 1320211112 in words is "one billion, three hundred twenty million, two hundred eleven thousand, one hundred twelve".