1222201012202 has 4 divisors (see below), whose sum is σ = 1833301518306. Its totient is φ = 611100506100.

The previous prime is 1222201012147. The next prime is 1222201012229. The reversal of 1222201012202 is 2022101022221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 865590197641 + 356610814561 = 930371^2 + 597169^2 .

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 as a sum of consecutive naturals, namely, 305550253049 + ... + 305550253052.

Almost surely, 2^{1222201012202} is an apocalyptic number.

1222201012202 is a deficient number, since it is larger than the sum of its proper divisors (611100506104).

1222201012202 is an equidigital number, since it uses as much as digits as its factorization.

1222201012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611100506103.

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

Adding to 1222201012202 its reverse (2022101022221), we get a palindrome (3244302034423).

The spelling of 1222201012202 in words is "one trillion, two hundred twenty-two billion, two hundred one million, twelve thousand, two hundred two".