113222212000 has 96 divisors (see below), whose sum is σ = 280942303824. Its totient is φ = 44840320000.

The previous prime is 113222211979. The next prime is 113222212001. The reversal of 113222212000 is 212222311.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 48113545104 + 65108666896 = 219348^2 + 255164^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (113222212001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263874 + ... + 544126.

Almost surely, 2^113222212000 is an apocalyptic number.

113222212000 is a gapful number since it is divisible by the number (10) 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 113222212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140471151912).

113222212000 is an abundant number, since it is smaller than the sum of its proper divisors (167720091824).

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

113222212000 is a wasteful number, since it uses less digits than its factorization.

113222212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280379 (or 280361 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 113222212000 its reverse (212222311), we get a palindrome (113434434311).

The spelling of 113222212000 in words is "one hundred thirteen billion, two hundred twenty-two million, two hundred twelve thousand".