20120112102212 has 24 divisors (see below), whose sum is σ = 35258474271552. Its totient is φ = 10046262996000.

The previous prime is 20120112102199. The next prime is 20120112102227. The reversal of 20120112102212 is 21220121102102.

It is a super-2 number, since 2×20120112102212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186293387 + ... + 186401357.

It is an arithmetic number, because the mean of its divisors is an integer number (1469103094648).

Almost surely, 2^{20120112102212} is an apocalyptic number.

It is an amenable number.

20120112102212 is a deficient number, since it is larger than the sum of its proper divisors (15138362169340).

20120112102212 is a wasteful number, since it uses less digits than its factorization.

20120112102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171419 (or 171417 counting only the distinct ones).

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

Adding to 20120112102212 its reverse (21220121102102), we get a palindrome (41340233204314).

The spelling of 20120112102212 in words is "twenty trillion, one hundred twenty billion, one hundred twelve million, one hundred two thousand, two hundred twelve".