12210120212112 has 120 divisors (see below), whose sum is σ = 36227023822080. Its totient is φ = 3832295742720.

The previous prime is 12210120212107. The next prime is 12210120212131. The reversal of 12210120212112 is 21121202101221.

12210120212112 is a `hidden beast` number, since 1 + 221 + 0 + 120 + 212 + 112 = 666.

12210120212112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36797562 + ... + 37127897.

It is an arithmetic number, because the mean of its divisors is an integer number (301891865184).

Almost surely, 2^{12210120212112} is an apocalyptic number.

12210120212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12210120212112 is an abundant number, since it is smaller than the sum of its proper divisors (24016903609968).

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

12210120212112 is a wasteful number, since it uses less digits than its factorization.

12210120212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73925541 (or 73925532 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12210120212112 its reverse (21121202101221), we get a palindrome (33331322313333).

The spelling of 12210120212112 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, two hundred twelve thousand, one hundred twelve".