113120220212 has 48 divisors (see below), whose sum is σ = 214538526720. Its totient is φ = 52052317152.

The previous prime is 113120220197. The next prime is 113120220263. The reversal of 113120220212 is 212022021311.

It is a super-2 number, since 2×113120220212² (a number of 23 digits) contains 22 as substring.

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, 33413 + ... + 476819.

It is an arithmetic number, because the mean of its divisors is an integer number (4469552640).

Almost surely, 2^113120220212 is an apocalyptic number.

It is an amenable number.

113120220212 is a deficient number, since it is larger than the sum of its proper divisors (101418306508).

113120220212 is a wasteful number, since it uses less digits than its factorization.

113120220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443540 (or 443538 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 113120220212 its reverse (212022021311), we get a palindrome (325142241523).

The spelling of 113120220212 in words is "one hundred thirteen billion, one hundred twenty million, two hundred twenty thousand, two hundred twelve".