112261212 has 72 divisors (see below), whose sum is σ = 328473600. Its totient is φ = 31663008.

The previous prime is 112261211. The next prime is 112261213. The reversal of 112261212 is 212162211.

It is an interprime number because it is at equal distance from previous prime (112261211) and next prime (112261213).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112261211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17089 + ... + 22727.

Almost surely, 2^112261212 is an apocalyptic number.

112261212 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 112261212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164236800).

112261212 is an abundant number, since it is smaller than the sum of its proper divisors (216212388).

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

112261212 is a wasteful number, since it uses less digits than its factorization.

112261212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735 (or 5730 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 112261212 is about 10595.3391639909. The cubic root of 112261212 is about 482.4028988382.

Subtracting 112261212 from its reverse (212162211), we obtain a palindrome (99900999).

The spelling of 112261212 in words is "one hundred twelve million, two hundred sixty-one thousand, two hundred twelve".