113221132212 has 48 divisors (see below), whose sum is σ = 266587098624. Its totient is φ = 37397724000.

The previous prime is 113221132169. The next prime is 113221132223. The reversal of 113221132212 is 212231122311.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1034137 + ... + 1138367.

It is an arithmetic number, because the mean of its divisors is an integer number (5553897888).

Almost surely, 2^113221132212 is an apocalyptic number.

113221132212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113221132212 is an abundant number, since it is smaller than the sum of its proper divisors (153365966412).

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

113221132212 is a wasteful number, since it uses less digits than its factorization.

113221132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105060 (or 105058 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 113221132212 its reverse (212231122311), we get a palindrome (325452254523).

Subtracting 113221132212 from its reverse (212231122311), we obtain a palindrome (99009990099).

The spelling of 113221132212 in words is "one hundred thirteen billion, two hundred twenty-one million, one hundred thirty-two thousand, two hundred twelve".