113212112202 has 96 divisors (see below), whose sum is σ = 292873726080. Its totient is φ = 30921609600.

The previous prime is 113212112201. The next prime is 113212112219. The reversal of 113212112202 is 202211212311.

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

It is not an unprimeable number, because it can be changed into a prime (113212112201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215673 + ... + 522435.

It is an arithmetic number, because the mean of its divisors is an integer number (3050767980).

Almost surely, 2^113212112202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113212112202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146436863040).

113212112202 is an abundant number, since it is smaller than the sum of its proper divisors (179661613878).

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

113212112202 is a wasteful number, since it uses less digits than its factorization.

113212112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306908 (or 306905 counting only the distinct ones).

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

Adding to 113212112202 its reverse (202211212311), we get a palindrome (315423324513).

The spelling of 113212112202 in words is "one hundred thirteen billion, two hundred twelve million, one hundred twelve thousand, two hundred two".