12221031202 has 8 divisors (see below), whose sum is σ = 18332016300. Its totient is φ = 6110359104.

The previous prime is 12221031149. The next prime is 12221031223. The reversal of 12221031202 is 20213012221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11515650721 + 705380481 = 107311^2 + 26559^2 .

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

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, 108574 + ... + 190342.

Almost surely, 2^12221031202 is an apocalyptic number.

12221031202 is a deficient number, since it is larger than the sum of its proper divisors (6110985098).

12221031202 is an equidigital number, since it uses as much as digits as its factorization.

12221031202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156500.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12221031202 its reverse (20213012221), we get a palindrome (32434043423).

The spelling of 12221031202 in words is "twelve billion, two hundred twenty-one million, thirty-one thousand, two hundred two".