1112020312 has 64 divisors (see below), whose sum is σ = 2332360800. Its totient is φ = 493516800.

The previous prime is 1112020309. The next prime is 1112020367. The reversal of 1112020312 is 2130202111.

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 = 1112020292 and 1112020301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925312 + ... + 926512.

Almost surely, 2^1112020312 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 1112020312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166180400).

1112020312 is an abundant number, since it is smaller than the sum of its proper divisors (1220340488).

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

1112020312 is a wasteful number, since it uses less digits than its factorization.

1112020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1112020312 is about 33346.9685578764. The cubic root of 1112020312 is about 1036.0266014845.

Adding to 1112020312 its reverse (2130202111), we get a palindrome (3242222423).

The spelling of 1112020312 in words is "one billion, one hundred twelve million, twenty thousand, three hundred twelve".