112012212210012 has 72 divisors (see below), whose sum is σ = 299862240752256. Its totient is φ = 35180993304864.

The previous prime is 112012212210011. The next prime is 112012212210023. The reversal of 112012212210012 is 210012212210211.

112012212210012 is a `hidden beast` number, since 11 + 201 + 221 + 221 + 0 + 0 + 12 = 666.

It is a super-2 number, since 2×112012212210012² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012212210011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1009500118 + ... + 1009611069.

Almost surely, 2^{112012212210012} is an apocalyptic number.

112012212210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112012212210012 is an abundant number, since it is smaller than the sum of its proper divisors (187850028542244).

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

112012212210012 is a wasteful number, since it uses less digits than its factorization.

112012212210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019111287 (or 2019111282 counting only the distinct ones).

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

Adding to 112012212210012 its reverse (210012212210211), we get a palindrome (322024424420223).

The spelling of 112012212210012 in words is "one hundred twelve trillion, twelve billion, two hundred twelve million, two hundred ten thousand, twelve".