20000120222012 has 24 divisors (see below), whose sum is σ = 41290570782720. Its totient is φ = 8294980736880.

The previous prime is 20000120222009. The next prime is 20000120222021. The reversal of 20000120222012 is 21022202100002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11520805712 + ... + 11520807447.

It is an arithmetic number, because the mean of its divisors is an integer number (1720440449280).

Almost surely, 2^{20000120222012} is an apocalyptic number.

It is an amenable number.

20000120222012 is an abundant number, since it is smaller than the sum of its proper divisors (21290450560708).

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

20000120222012 is a wasteful number, since it uses less digits than its factorization.

20000120222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23041613201 (or 23041613199 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20000120222012 its reverse (21022202100002), we get a palindrome (41022322322014).

The spelling of 20000120222012 in words is "twenty trillion, one hundred twenty million, two hundred twenty-two thousand, twelve".