20000100211212 has 48 divisors (see below), whose sum is σ = 50909826240000. Its totient is φ = 6060579255360.

The previous prime is 20000100211207. The next prime is 20000100211213. The reversal of 20000100211212 is 21211200100002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20000100211213) 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, 14563789 + ... + 15877787.

It is an arithmetic number, because the mean of its divisors is an integer number (1060621380000).

Almost surely, 2^{20000100211212} is an apocalyptic number.

20000100211212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20000100211212 is an abundant number, since it is smaller than the sum of its proper divisors (30909726028788).

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

20000100211212 is a wasteful number, since it uses less digits than its factorization.

20000100211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429326 (or 1429324 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20000100211212 its reverse (21211200100002), we get a palindrome (41211300311214).

The spelling of 20000100211212 in words is "twenty trillion, one hundred million, two hundred eleven thousand, two hundred twelve".