1222012222202 has 4 divisors (see below), whose sum is σ = 1833018333306. Its totient is φ = 611006111100.

The previous prime is 1222012222183. The next prime is 1222012222229. The reversal of 1222012222202 is 2022222102221.

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., 735030160921 + 486982061281 = 857339^2 + 697841^2 .

It is a super-2 number, since 2×1222012222202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305503055549 + ... + 305503055552.

Almost surely, 2^{1222012222202} is an apocalyptic number.

1222012222202 is a deficient number, since it is larger than the sum of its proper divisors (611006111104).

1222012222202 is an equidigital number, since it uses as much as digits as its factorization.

1222012222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611006111103.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1222012222202 its reverse (2022222102221), we get a palindrome (3244234324423).

The spelling of 1222012222202 in words is "one trillion, two hundred twenty-two billion, twelve million, two hundred twenty-two thousand, two hundred two".