2012230022112 has 72 divisors (see below), whose sum is σ = 5934215412216. Its totient is φ = 670743338112.

The previous prime is 2012230022083. The next prime is 2012230022191. The reversal of 2012230022112 is 2112200322102.

2012230022112 is a `hidden beast` number, since 20 + 122 + 300 + 221 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 129379443 + ... + 129394994.

It is an arithmetic number, because the mean of its divisors is an integer number (82419658503).

Almost surely, 2^{2012230022112} is an apocalyptic number.

It is an amenable number.

2012230022112 is an abundant number, since it is smaller than the sum of its proper divisors (3921985390104).

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

2012230022112 is an equidigital number, since it uses as much as digits as its factorization.

2012230022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258774462 (or 258774442 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2012230022112 its reverse (2112200322102), we get a palindrome (4124430344214).

The spelling of 2012230022112 in words is "two trillion, twelve billion, two hundred thirty million, twenty-two thousand, one hundred twelve".