112121212020200 has 24 divisors (see below), whose sum is σ = 260681817947430. Its totient is φ = 44848484808000.

The previous prime is 112121212020193. The next prime is 112121212020229. The reversal of 112121212020200 is 2020212121211.

It can be written as a sum of positive squares in 3 ways, for example, as 80375492396644 + 31745719623556 = 8965238^2 + 5634334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280303029851 + ... + 280303030250.

Almost surely, 2^{112121212020200} is an apocalyptic number.

112121212020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121212020200 is an abundant number, since it is smaller than the sum of its proper divisors (148560605927230).

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

112121212020200 is a wasteful number, since it uses less digits than its factorization.

112121212020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560606060117 (or 560606060108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112121212020200 its reverse (2020212121211), we get a palindrome (114141424141411).

The spelling of 112121212020200 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twelve million, twenty thousand, two hundred".