1222112320202 has 4 divisors (see below), whose sum is σ = 1833168480306. Its totient is φ = 611056160100.

The previous prime is 1222112320181. The next prime is 1222112320213. The reversal of 1222112320202 is 2020232112221.

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., 849879328321 + 372232991881 = 921889^2 + 610109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305528080049 + ... + 305528080052.

Almost surely, 2^{1222112320202} is an apocalyptic number.

1222112320202 is a deficient number, since it is larger than the sum of its proper divisors (611056160104).

1222112320202 is an equidigital number, since it uses as much as digits as its factorization.

1222112320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611056160103.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1222112320202 its reverse (2020232112221), we get a palindrome (3242344432423).

The spelling of 1222112320202 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, three hundred twenty thousand, two hundred two".