20120101110212 has 12 divisors (see below), whose sum is σ = 35211321943980. Its totient is φ = 10059723411936.

The previous prime is 20120101110199. The next prime is 20120101110227. The reversal of 20120101110212 is 21201110102102.

It can be written as a sum of positive squares in 2 ways, for example, as 8830608629956 + 11289492480256 = 2971634^2 + 3359984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81647387 + ... + 81893442.

It is an arithmetic number, because the mean of its divisors is an integer number (2934276828665).

Almost surely, 2^{20120101110212} is an apocalyptic number.

It is an amenable number.

20120101110212 is a deficient number, since it is larger than the sum of its proper divisors (15091220833768).

20120101110212 is a wasteful number, since it uses less digits than its factorization.

20120101110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163571590 (or 163571588 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20120101110212 its reverse (21201110102102), we get a palindrome (41321211212314).

The spelling of 20120101110212 in words is "twenty trillion, one hundred twenty billion, one hundred one million, one hundred ten thousand, two hundred twelve".