1202221221226 has 8 divisors (see below), whose sum is σ = 1816305442560. Its totient is φ = 596786073708.

The previous prime is 1202221221209. The next prime is 1202221221281. The reversal of 1202221221226 is 6221221222021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1202221221226² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1202221221226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162268106 + ... + 2162268661.

It is an arithmetic number, because the mean of its divisors is an integer number (227038180320).

Almost surely, 2^{1202221221226} is an apocalyptic number.

1202221221226 is a deficient number, since it is larger than the sum of its proper divisors (614084221334).

1202221221226 is a wasteful number, since it uses less digits than its factorization.

1202221221226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324536908.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1202221221226 its reverse (6221221222021), we get a palindrome (7423442443247).

The spelling of 1202221221226 in words is "one trillion, two hundred two billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-six".