2000021220012 has 24 divisors (see below), whose sum is σ = 4667805890496. Its totient is φ = 666518067088.

The previous prime is 2000021219983. The next prime is 2000021220017. The reversal of 2000021220012 is 2100221200002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2000021220012.

It is not an unprimeable number, because it can be changed into a prime (2000021220017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19405578 + ... + 19508369.

It is an arithmetic number, because the mean of its divisors is an integer number (194491912104).

Almost surely, 2^{2000021220012} is an apocalyptic number.

It is an amenable number.

2000021220012 is an abundant number, since it is smaller than the sum of its proper divisors (2667784670484).

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

2000021220012 is a wasteful number, since it uses less digits than its factorization.

2000021220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38918237 (or 38918235 counting only the distinct ones).

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

Adding to 2000021220012 its reverse (2100221200002), we get a palindrome (4100242420014).

The spelling of 2000021220012 in words is "two trillion, twenty-one million, two hundred twenty thousand, twelve".