2012211220112 has 40 divisors (see below), whose sum is σ = 3916000252800. Its totient is φ = 1001632725632.

The previous prime is 2012211220111. The next prime is 2012211220127. The reversal of 2012211220112 is 2110221122102.

It is not an unprimeable number, because it can be changed into a prime (2012211220111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14911439 + ... + 15045777.

It is an arithmetic number, because the mean of its divisors is an integer number (97900006320).

Almost surely, 2^{2012211220112} is an apocalyptic number.

It is an amenable number.

2012211220112 is a deficient number, since it is larger than the sum of its proper divisors (1903789032688).

2012211220112 is a wasteful number, since it uses less digits than its factorization.

2012211220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138503 (or 138497 counting only the distinct ones).

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

Adding to 2012211220112 its reverse (2110221122102), we get a palindrome (4122432342214).

The spelling of 2012211220112 in words is "two trillion, twelve billion, two hundred eleven million, two hundred twenty thousand, one hundred twelve".