1222212210201 has 24 divisors (see below), whose sum is σ = 1794936723840. Its totient is φ = 801192549600.

The previous prime is 1222212210157. The next prime is 1222212210209. The reversal of 1222212210201 is 1020122122221.

It is a happy number.

1222212210201 is a `hidden beast` number, since 1 + 22 + 221 + 221 + 0 + 201 = 666.

It is not a de Polignac number, because 1222212210201 - 2²⁹ = 1221675339289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222212210209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1355446 + ... + 2069216.

It is an arithmetic number, because the mean of its divisors is an integer number (74789030160).

Almost surely, 2^{1222212210201} is an apocalyptic number.

It is an amenable number.

1222212210201 is a deficient number, since it is larger than the sum of its proper divisors (572724513639).

1222212210201 is a wasteful number, since it uses less digits than its factorization.

1222212210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716957 (or 716954 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222212210201 its reverse (1020122122221), we get a palindrome (2242334332422).

The spelling of 1222212210201 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred ten thousand, two hundred one".