20001012110212 has 48 divisors (see below), whose sum is σ = 40165890508800. Its totient is φ = 8536755780000.

The previous prime is 20001012110197. The next prime is 20001012110213. The reversal of 20001012110212 is 21201121010002.

It is a junction number, because it is equal to n+sod(n) for n = 20001012110192 and 20001012110201.

It is not an unprimeable number, because it can be changed into a prime (20001012110213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64495887 + ... + 64805257.

It is an arithmetic number, because the mean of its divisors is an integer number (836789385600).

Almost surely, 2^{20001012110212} is an apocalyptic number.

It is an amenable number.

20001012110212 is an abundant number, since it is smaller than the sum of its proper divisors (20164878398588).

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

20001012110212 is a wasteful number, since it uses less digits than its factorization.

20001012110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318832 (or 318830 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20001012110212 its reverse (21201121010002), we get a palindrome (41202133120214).

The spelling of 20001012110212 in words is "twenty trillion, one billion, twelve million, one hundred ten thousand, two hundred twelve".