20102001212012 has 48 divisors (see below), whose sum is σ = 36104518813440. Its totient is φ = 9790164014400.

The previous prime is 20102001212011. The next prime is 20102001212053. The reversal of 20102001212012 is 21021210020102.

It is not an unprimeable number, because it can be changed into a prime (20102001212011) 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, 13642337 + ... + 15043847.

It is an arithmetic number, because the mean of its divisors is an integer number (752177475280).

Almost surely, 2^{20102001212012} is an apocalyptic number.

It is an amenable number.

20102001212012 is a deficient number, since it is larger than the sum of its proper divisors (16002517601428).

20102001212012 is a wasteful number, since it uses less digits than its factorization.

20102001212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402182 (or 1402180 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102001212012 its reverse (21021210020102), we get a palindrome (41123211232114).

The spelling of 20102001212012 in words is "twenty trillion, one hundred two billion, one million, two hundred twelve thousand, twelve".