20021200200012 has 48 divisors (see below), whose sum is σ = 53645321116800. Its totient is φ = 5747712975360.

The previous prime is 20021200200007. The next prime is 20021200200109. The reversal of 20021200200012 is 21000200212002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3991464837 + ... + 3991469852.

It is an arithmetic number, because the mean of its divisors is an integer number (1117610856600).

Almost surely, 2^{20021200200012} is an apocalyptic number.

20021200200012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20021200200012 is an abundant number, since it is smaller than the sum of its proper divisors (33624120916788).

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

20021200200012 is a wasteful number, since it uses less digits than its factorization.

20021200200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982934726 (or 7982934724 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20021200200012 its reverse (21000200212002), we get a palindrome (41021400412014).

It can be divided in two parts, 200 and 21200200012, that added together give a palindrome (21200200212).

The spelling of 20021200200012 in words is "twenty trillion, twenty-one billion, two hundred million, two hundred thousand, twelve".