20000001201222 has 64 divisors (see below), whose sum is σ = 46953571138560. Its totient is φ = 5559400469376.

The previous prime is 20000001201149. The next prime is 20000001201233. The reversal of 20000001201222 is 22210210000002.

It is a junction number, because it is equal to n+sod(n) for n = 20000001201198 and 20000001201207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19128679 + ... + 20147117.

It is an arithmetic number, because the mean of its divisors is an integer number (733649549040).

Almost surely, 2^{20000001201222} is an apocalyptic number.

20000001201222 is an abundant number, since it is smaller than the sum of its proper divisors (26953569937338).

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

20000001201222 is a wasteful number, since it uses less digits than its factorization.

20000001201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031125.

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

Adding to 20000001201222 its reverse (22210210000002), we get a palindrome (42210211201224).

The spelling of 20000001201222 in words is "twenty trillion, one million, two hundred one thousand, two hundred twenty-two".