20011222200012 has 48 divisors (see below), whose sum is σ = 48315247394400. Its totient is φ = 6438753717760.

The previous prime is 20011222199887. The next prime is 20011222200037. The reversal of 20011222200012 is 21000222211002.

It is a junction number, because it is equal to n+sod(n) for n = 20011222199964 and 20011222200000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5950539 + ... + 8685122.

It is an arithmetic number, because the mean of its divisors is an integer number (1006567654050).

Almost surely, 2^{20011222200012} is an apocalyptic number.

It is an amenable number.

20011222200012 is an abundant number, since it is smaller than the sum of its proper divisors (28304025194388).

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

20011222200012 is a wasteful number, since it uses less digits than its factorization.

20011222200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14639626 (or 14639624 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20011222200012 its reverse (21000222211002), we get a palindrome (41011444411014).

The spelling of 20011222200012 in words is "twenty trillion, eleven billion, two hundred twenty-two million, two hundred thousand, twelve".