20221012001222 has 16 divisors (see below), whose sum is σ = 31928017374000. Its totient is φ = 9578342999520.

The previous prime is 20221012001189. The next prime is 20221012001237. The reversal of 20221012001222 is 22210021012202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20221012001222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14572472 + ... + 15899652.

It is an arithmetic number, because the mean of its divisors is an integer number (1995501085875).

Almost surely, 2^{20221012001222} is an apocalyptic number.

20221012001222 is a deficient number, since it is larger than the sum of its proper divisors (11707005372778).

20221012001222 is a wasteful number, since it uses less digits than its factorization.

20221012001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728151.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20221012001222 its reverse (22210021012202), we get a palindrome (42431033013424).

The spelling of 20221012001222 in words is "twenty trillion, two hundred twenty-one billion, twelve million, one thousand, two hundred twenty-two".